YES Problem 1: (VAR A B V1 V2 X Y) (THEORY (AC mult plus union)) (RULES 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X ) Problem 1: Dependency Pairs Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) UNION(union(x6,x7),x8) = UNION(x6,union(x7,x8)) UNION(x6,x7) = UNION(x7,x6) -> Pairs: U101#(tt,X,Y) -> U102#(isBin(Y),X,Y) U101#(tt,X,Y) -> ISBIN(Y) U102#(tt,X,Y) -> 0#(mult(X,Y)) U102#(tt,X,Y) -> MULT(X,Y) U111#(tt,X,Y) -> U112#(isBin(Y),X,Y) U111#(tt,X,Y) -> ISBIN(Y) U112#(tt,X,Y) -> 0#(mult(X,Y)) U112#(tt,X,Y) -> MULT(X,Y) U112#(tt,X,Y) -> PLUS(0(mult(X,Y)),Y) U131#(tt,X,Y) -> U132#(isBin(Y),X,Y) U131#(tt,X,Y) -> ISBIN(Y) U132#(tt,X,Y) -> 0#(plus(X,Y)) U132#(tt,X,Y) -> PLUS(X,Y) U141#(tt,X,Y) -> U142#(isBin(Y),X,Y) U141#(tt,X,Y) -> ISBIN(Y) U142#(tt,X,Y) -> PLUS(X,Y) U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U151#(tt,X,Y) -> ISBIN(Y) U152#(tt,X,Y) -> 0#(plus(plus(X,Y),1(z))) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) U171#(tt,A,B) -> U172#(isBag(B),A,B) U171#(tt,A,B) -> ISBAG(B) U172#(tt,A,B) -> MULT(prod(A),prod(B)) U172#(tt,A,B) -> PROD(A) U172#(tt,A,B) -> PROD(B) U191#(tt,A,B) -> U192#(isBag(B),A,B) U191#(tt,A,B) -> ISBAG(B) U192#(tt,A,B) -> PLUS(sum(A),sum(B)) U192#(tt,A,B) -> SUM(A) U192#(tt,A,B) -> SUM(B) U21#(tt,V2) -> U22#(isBag(V2)) U21#(tt,V2) -> ISBAG(V2) U51#(tt,V2) -> U52#(isBin(V2)) U51#(tt,V2) -> ISBIN(V2) U61#(tt,V2) -> U62#(isBin(V2)) U61#(tt,V2) -> ISBIN(V2) ISBAG(union(V1,V2)) -> U21#(isBag(V1),V2) ISBAG(union(V1,V2)) -> ISBAG(V1) ISBAG(singl(V1)) -> U11#(isBin(V1)) ISBAG(singl(V1)) -> ISBIN(V1) ISBIN(0(V1)) -> U31#(isBin(V1)) ISBIN(0(V1)) -> ISBIN(V1) ISBIN(mult(V1,V2)) -> U51#(isBin(V1),V2) ISBIN(mult(V1,V2)) -> ISBIN(V1) ISBIN(plus(V1,V2)) -> U61#(isBin(V1),V2) ISBIN(plus(V1,V2)) -> ISBIN(V1) ISBIN(prod(V1)) -> U71#(isBag(V1)) ISBIN(prod(V1)) -> ISBAG(V1) ISBIN(sum(V1)) -> U81#(isBag(V1)) ISBIN(sum(V1)) -> ISBAG(V1) ISBIN(1(V1)) -> U41#(isBin(V1)) ISBIN(1(V1)) -> ISBIN(V1) MULT(0(X),Y) -> U101#(isBin(X),X,Y) MULT(0(X),Y) -> ISBIN(X) MULT(mult(0(X),Y),x6) -> U101#(isBin(X),X,Y) MULT(mult(0(X),Y),x6) -> ISBIN(X) MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> U111#(isBin(X),X,Y) MULT(mult(1(X),Y),x6) -> ISBIN(X) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> U91#(isBin(X)) MULT(mult(z,X),x6) -> ISBIN(X) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) MULT(1(X),Y) -> U111#(isBin(X),X,Y) MULT(1(X),Y) -> ISBIN(X) MULT(z,X) -> U91#(isBin(X)) MULT(z,X) -> ISBIN(X) PLUS(0(X),0(Y)) -> U131#(isBin(X),X,Y) PLUS(0(X),0(Y)) -> ISBIN(X) PLUS(0(X),1(Y)) -> U141#(isBin(X),X,Y) PLUS(0(X),1(Y)) -> ISBIN(X) PLUS(plus(0(X),0(Y)),x6) -> U131#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> ISBIN(X) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),1(Y)),x6) -> ISBIN(X) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> ISBIN(X) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> U121#(isBin(X),X) PLUS(plus(z,X),x6) -> ISBIN(X) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) PLUS(1(X),1(Y)) -> ISBIN(X) PLUS(z,X) -> U121#(isBin(X),X) PLUS(z,X) -> ISBIN(X) PROD(union(A,B)) -> U171#(isBag(A),A,B) PROD(union(A,B)) -> ISBAG(A) PROD(singl(X)) -> U161#(isBin(X),X) PROD(singl(X)) -> ISBIN(X) SUM(union(A,B)) -> U191#(isBag(A),A,B) SUM(union(A,B)) -> ISBAG(A) SUM(empty) -> 0#(z) SUM(singl(X)) -> U181#(isBin(X),X) SUM(singl(X)) -> ISBIN(X) UNION(union(empty,X),x6) -> UNION(X,x6) UNION(union(X,empty),x6) -> UNION(X,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) UNION(union(x6,x7),x8) -> UNION(x6,x7) UNION(x6,union(x7,x8)) -> UNION(x7,x8) Problem 1: SCC Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) UNION(union(x6,x7),x8) = UNION(x6,union(x7,x8)) UNION(x6,x7) = UNION(x7,x6) -> Pairs: U101#(tt,X,Y) -> U102#(isBin(Y),X,Y) U101#(tt,X,Y) -> ISBIN(Y) U102#(tt,X,Y) -> 0#(mult(X,Y)) U102#(tt,X,Y) -> MULT(X,Y) U111#(tt,X,Y) -> U112#(isBin(Y),X,Y) U111#(tt,X,Y) -> ISBIN(Y) U112#(tt,X,Y) -> 0#(mult(X,Y)) U112#(tt,X,Y) -> MULT(X,Y) U112#(tt,X,Y) -> PLUS(0(mult(X,Y)),Y) U131#(tt,X,Y) -> U132#(isBin(Y),X,Y) U131#(tt,X,Y) -> ISBIN(Y) U132#(tt,X,Y) -> 0#(plus(X,Y)) U132#(tt,X,Y) -> PLUS(X,Y) U141#(tt,X,Y) -> U142#(isBin(Y),X,Y) U141#(tt,X,Y) -> ISBIN(Y) U142#(tt,X,Y) -> PLUS(X,Y) U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U151#(tt,X,Y) -> ISBIN(Y) U152#(tt,X,Y) -> 0#(plus(plus(X,Y),1(z))) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) U171#(tt,A,B) -> U172#(isBag(B),A,B) U171#(tt,A,B) -> ISBAG(B) U172#(tt,A,B) -> MULT(prod(A),prod(B)) U172#(tt,A,B) -> PROD(A) U172#(tt,A,B) -> PROD(B) U191#(tt,A,B) -> U192#(isBag(B),A,B) U191#(tt,A,B) -> ISBAG(B) U192#(tt,A,B) -> PLUS(sum(A),sum(B)) U192#(tt,A,B) -> SUM(A) U192#(tt,A,B) -> SUM(B) U21#(tt,V2) -> U22#(isBag(V2)) U21#(tt,V2) -> ISBAG(V2) U51#(tt,V2) -> U52#(isBin(V2)) U51#(tt,V2) -> ISBIN(V2) U61#(tt,V2) -> U62#(isBin(V2)) U61#(tt,V2) -> ISBIN(V2) ISBAG(union(V1,V2)) -> U21#(isBag(V1),V2) ISBAG(union(V1,V2)) -> ISBAG(V1) ISBAG(singl(V1)) -> U11#(isBin(V1)) ISBAG(singl(V1)) -> ISBIN(V1) ISBIN(0(V1)) -> U31#(isBin(V1)) ISBIN(0(V1)) -> ISBIN(V1) ISBIN(mult(V1,V2)) -> U51#(isBin(V1),V2) ISBIN(mult(V1,V2)) -> ISBIN(V1) ISBIN(plus(V1,V2)) -> U61#(isBin(V1),V2) ISBIN(plus(V1,V2)) -> ISBIN(V1) ISBIN(prod(V1)) -> U71#(isBag(V1)) ISBIN(prod(V1)) -> ISBAG(V1) ISBIN(sum(V1)) -> U81#(isBag(V1)) ISBIN(sum(V1)) -> ISBAG(V1) ISBIN(1(V1)) -> U41#(isBin(V1)) ISBIN(1(V1)) -> ISBIN(V1) MULT(0(X),Y) -> U101#(isBin(X),X,Y) MULT(0(X),Y) -> ISBIN(X) MULT(mult(0(X),Y),x6) -> U101#(isBin(X),X,Y) MULT(mult(0(X),Y),x6) -> ISBIN(X) MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> U111#(isBin(X),X,Y) MULT(mult(1(X),Y),x6) -> ISBIN(X) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> U91#(isBin(X)) MULT(mult(z,X),x6) -> ISBIN(X) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) MULT(1(X),Y) -> U111#(isBin(X),X,Y) MULT(1(X),Y) -> ISBIN(X) MULT(z,X) -> U91#(isBin(X)) MULT(z,X) -> ISBIN(X) PLUS(0(X),0(Y)) -> U131#(isBin(X),X,Y) PLUS(0(X),0(Y)) -> ISBIN(X) PLUS(0(X),1(Y)) -> U141#(isBin(X),X,Y) PLUS(0(X),1(Y)) -> ISBIN(X) PLUS(plus(0(X),0(Y)),x6) -> U131#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> ISBIN(X) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),1(Y)),x6) -> ISBIN(X) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> ISBIN(X) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> U121#(isBin(X),X) PLUS(plus(z,X),x6) -> ISBIN(X) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) PLUS(1(X),1(Y)) -> ISBIN(X) PLUS(z,X) -> U121#(isBin(X),X) PLUS(z,X) -> ISBIN(X) PROD(union(A,B)) -> U171#(isBag(A),A,B) PROD(union(A,B)) -> ISBAG(A) PROD(singl(X)) -> U161#(isBin(X),X) PROD(singl(X)) -> ISBIN(X) SUM(union(A,B)) -> U191#(isBag(A),A,B) SUM(union(A,B)) -> ISBAG(A) SUM(empty) -> 0#(z) SUM(singl(X)) -> U181#(isBin(X),X) SUM(singl(X)) -> ISBIN(X) UNION(union(empty,X),x6) -> UNION(X,x6) UNION(union(X,empty),x6) -> UNION(X,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) UNION(union(x6,x7),x8) -> UNION(x6,x7) UNION(x6,union(x7,x8)) -> UNION(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: UNION(union(empty,X),x6) -> UNION(X,x6) UNION(union(X,empty),x6) -> UNION(X,x6) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) UNION(union(x6,x7),x8) -> UNION(x6,union(x7,x8)) UNION(x6,x7) -> UNION(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: UNION(union(x6,x7),x8) -> UNION(x6,x7) UNION(x6,union(x7,x8)) -> UNION(x7,x8) ->->Cycle: ->->-> Pairs: U21#(tt,V2) -> ISBAG(V2) U51#(tt,V2) -> ISBIN(V2) U61#(tt,V2) -> ISBIN(V2) ISBAG(union(V1,V2)) -> U21#(isBag(V1),V2) ISBAG(union(V1,V2)) -> ISBAG(V1) ISBAG(singl(V1)) -> ISBIN(V1) ISBIN(0(V1)) -> ISBIN(V1) ISBIN(mult(V1,V2)) -> U51#(isBin(V1),V2) ISBIN(mult(V1,V2)) -> ISBIN(V1) ISBIN(plus(V1,V2)) -> U61#(isBin(V1),V2) ISBIN(plus(V1,V2)) -> ISBIN(V1) ISBIN(prod(V1)) -> ISBAG(V1) ISBIN(sum(V1)) -> ISBAG(V1) ISBIN(1(V1)) -> ISBIN(V1) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: Empty ->->Cycle: ->->-> Pairs: U131#(tt,X,Y) -> U132#(isBin(Y),X,Y) U132#(tt,X,Y) -> PLUS(X,Y) U141#(tt,X,Y) -> U142#(isBin(Y),X,Y) U142#(tt,X,Y) -> PLUS(X,Y) U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) PLUS(0(X),0(Y)) -> U131#(isBin(X),X,Y) PLUS(0(X),1(Y)) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> U131#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) PLUS(plus(x6,x7),x8) -> PLUS(x6,plus(x7,x8)) PLUS(x6,x7) -> PLUS(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->->Cycle: ->->-> Pairs: U191#(tt,A,B) -> U192#(isBag(B),A,B) U192#(tt,A,B) -> SUM(A) U192#(tt,A,B) -> SUM(B) SUM(union(A,B)) -> U191#(isBag(A),A,B) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: Empty ->->Cycle: ->->-> Pairs: U101#(tt,X,Y) -> U102#(isBin(Y),X,Y) U102#(tt,X,Y) -> MULT(X,Y) U111#(tt,X,Y) -> U112#(isBin(Y),X,Y) U112#(tt,X,Y) -> MULT(X,Y) MULT(0(X),Y) -> U101#(isBin(X),X,Y) MULT(mult(0(X),Y),x6) -> U101#(isBin(X),X,Y) MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> U111#(isBin(X),X,Y) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) MULT(1(X),Y) -> U111#(isBin(X),X,Y) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) MULT(mult(x6,x7),x8) -> MULT(x6,mult(x7,x8)) MULT(x6,x7) -> MULT(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->->Cycle: ->->-> Pairs: U171#(tt,A,B) -> U172#(isBag(B),A,B) U172#(tt,A,B) -> PROD(A) U172#(tt,A,B) -> PROD(B) PROD(union(A,B)) -> U171#(isBag(A),A,B) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: Empty The problem is decomposed in 6 subproblems. Problem 1.1: Reduction Pairs Processor: -> FAxioms: UNION(union(x6,x7),x8) = UNION(x6,union(x7,x8)) UNION(x6,x7) = UNION(x7,x6) -> Pairs: UNION(union(empty,X),x6) -> UNION(X,x6) UNION(union(X,empty),x6) -> UNION(X,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: union(empty,X) -> X union(X,empty) -> X -> SRules: UNION(union(x6,x7),x8) -> UNION(x6,x7) UNION(x6,union(x7,x8)) -> UNION(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 0 [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 0 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = 0 [U131](X1,X2,X3) = 0 [U132](X1,X2,X3) = 0 [U141](X1,X2,X3) = 0 [U142](X1,X2,X3) = 0 [U151](X1,X2,X3) = 0 [U152](X1,X2,X3) = 0 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 0 [U22](X) = 0 [U31](X) = 0 [U41](X) = 0 [U51](X1,X2) = 0 [U52](X) = 0 [U61](X1,X2) = 0 [U62](X) = 0 [U71](X) = 0 [U81](X) = 0 [U91](X) = 0 [isBag](X) = 0 [isBin](X) = 0 [mult](X1,X2) = 0 [plus](X1,X2) = 0 [prod](X) = 0 [sum](X) = 0 [union](X1,X2) = X1 + X2 [1](X) = 0 [empty] = 2 [singl](X) = 0 [tt] = 0 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 0 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 2.X1 + 2.X2 Problem 1.1: SCC Processor: -> FAxioms: UNION(union(x6,x7),x8) = UNION(x6,union(x7,x8)) UNION(x6,x7) = UNION(x7,x6) -> Pairs: UNION(union(X,empty),x6) -> UNION(X,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: UNION(union(x6,x7),x8) -> UNION(x6,x7) UNION(x6,union(x7,x8)) -> UNION(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: UNION(union(X,empty),x6) -> UNION(X,x6) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) UNION(union(x6,x7),x8) -> UNION(x6,union(x7,x8)) UNION(x6,x7) -> UNION(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: UNION(union(x6,x7),x8) -> UNION(x6,x7) UNION(x6,union(x7,x8)) -> UNION(x7,x8) Problem 1.1: Reduction Pairs Processor: -> FAxioms: UNION(union(x6,x7),x8) = UNION(x6,union(x7,x8)) UNION(x6,x7) = UNION(x7,x6) -> Pairs: UNION(union(X,empty),x6) -> UNION(X,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: union(empty,X) -> X union(X,empty) -> X -> SRules: UNION(union(x6,x7),x8) -> UNION(x6,x7) UNION(x6,union(x7,x8)) -> UNION(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 0 [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 0 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = 0 [U131](X1,X2,X3) = 0 [U132](X1,X2,X3) = 0 [U141](X1,X2,X3) = 0 [U142](X1,X2,X3) = 0 [U151](X1,X2,X3) = 0 [U152](X1,X2,X3) = 0 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 0 [U22](X) = 0 [U31](X) = 0 [U41](X) = 0 [U51](X1,X2) = 0 [U52](X) = 0 [U61](X1,X2) = 0 [U62](X) = 0 [U71](X) = 0 [U81](X) = 0 [U91](X) = 0 [isBag](X) = 0 [isBin](X) = 0 [mult](X1,X2) = 0 [plus](X1,X2) = 0 [prod](X) = 0 [sum](X) = 0 [union](X1,X2) = X1 + X2 + 2 [1](X) = 0 [empty] = 2 [singl](X) = 0 [tt] = 0 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 0 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 2.X1 + 2.X2 Problem 1.1: SCC Processor: -> FAxioms: UNION(union(x6,x7),x8) = UNION(x6,union(x7,x8)) UNION(x6,x7) = UNION(x7,x6) -> Pairs: Empty -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: UNION(union(x6,x7),x8) -> UNION(x6,x7) UNION(x6,union(x7,x8)) -> UNION(x7,x8) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.2: Subterm Processor: -> FAxioms: Empty -> Pairs: U21#(tt,V2) -> ISBAG(V2) U51#(tt,V2) -> ISBIN(V2) U61#(tt,V2) -> ISBIN(V2) ISBAG(union(V1,V2)) -> U21#(isBag(V1),V2) ISBAG(union(V1,V2)) -> ISBAG(V1) ISBAG(singl(V1)) -> ISBIN(V1) ISBIN(0(V1)) -> ISBIN(V1) ISBIN(mult(V1,V2)) -> U51#(isBin(V1),V2) ISBIN(mult(V1,V2)) -> ISBIN(V1) ISBIN(plus(V1,V2)) -> U61#(isBin(V1),V2) ISBIN(plus(V1,V2)) -> ISBIN(V1) ISBIN(prod(V1)) -> ISBAG(V1) ISBIN(sum(V1)) -> ISBAG(V1) ISBIN(1(V1)) -> ISBIN(V1) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: Empty ->Projection: pi(U21#) = [2] pi(U51#) = [2] pi(U61#) = [2] pi(ISBAG) = [1] pi(ISBIN) = [1] Problem 1.2: SCC Processor: -> FAxioms: Empty -> Pairs: U21#(tt,V2) -> ISBAG(V2) U51#(tt,V2) -> ISBIN(V2) U61#(tt,V2) -> ISBIN(V2) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: Empty ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.3: Reduction Pairs Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: U131#(tt,X,Y) -> U132#(isBin(Y),X,Y) U132#(tt,X,Y) -> PLUS(X,Y) U141#(tt,X,Y) -> U142#(isBin(Y),X,Y) U142#(tt,X,Y) -> PLUS(X,Y) U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) PLUS(0(X),0(Y)) -> U131#(isBin(X),X,Y) PLUS(0(X),1(Y)) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> U131#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U11(tt) -> tt U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = X + 2 [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 2.X + 1 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = X2 [U131](X1,X2,X3) = X1 + X2 + X3 + 2 [U132](X1,X2,X3) = 2.X1 + X2 + X3 [U141](X1,X2,X3) = 2.X1 + X2 + X3 [U142](X1,X2,X3) = 2.X1 + X2 + X3 [U151](X1,X2,X3) = 2.X1 + X2 + X3 [U152](X1,X2,X3) = 2.X1 + X2 + X3 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 + X2 + 2 [U22](X) = 2 [U31](X) = X [U41](X) = X [U51](X1,X2) = X1 [U52](X) = 2 [U61](X1,X2) = 2 [U62](X) = 2 [U71](X) = 2 [U81](X) = 2 [U91](X) = 0 [isBag](X) = 2.X + 2 [isBin](X) = 2 [mult](X1,X2) = 2.X1 + 2.X2 [plus](X1,X2) = X1 + X2 [prod](X) = 1 [sum](X) = 0 [union](X1,X2) = 2.X1 + X2 + 2 [1](X) = X + 2 [empty] = 1 [singl](X) = 2.X + 2 [tt] = 2 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 [U132#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 1 [U141#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 [U142#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 1 [U151#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 [U152#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 2.X1 + 2.X2 + 2 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.3: SCC Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: U132#(tt,X,Y) -> PLUS(X,Y) U141#(tt,X,Y) -> U142#(isBin(Y),X,Y) U142#(tt,X,Y) -> PLUS(X,Y) U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) PLUS(0(X),0(Y)) -> U131#(isBin(X),X,Y) PLUS(0(X),1(Y)) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> U131#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: U141#(tt,X,Y) -> U142#(isBin(Y),X,Y) U142#(tt,X,Y) -> PLUS(X,Y) U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) PLUS(0(X),1(Y)) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) PLUS(plus(x6,x7),x8) -> PLUS(x6,plus(x7,x8)) PLUS(x6,x7) -> PLUS(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) Problem 1.3: Reduction Pairs Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: U141#(tt,X,Y) -> U142#(isBin(Y),X,Y) U142#(tt,X,Y) -> PLUS(X,Y) U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) PLUS(0(X),1(Y)) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U11(tt) -> tt U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 2.X [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 2.X + 1 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = X2 [U131](X1,X2,X3) = 2.X2 + 2.X3 [U132](X1,X2,X3) = 2.X2 + 2.X3 [U141](X1,X2,X3) = 2.X2 + 2.X3 + 2 [U142](X1,X2,X3) = 2.X2 + 2.X3 + 2 [U151](X1,X2,X3) = X1 + 2.X2 + 2.X3 + 2 [U152](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 + 2.X2 + 2 [U22](X) = X + 1 [U31](X) = X [U41](X) = X [U51](X1,X2) = 2 [U52](X) = 2 [U61](X1,X2) = X1 [U62](X) = X [U71](X) = 2 [U81](X) = 2 [U91](X) = 0 [isBag](X) = 2.X + 1 [isBin](X) = 2 [mult](X1,X2) = 2.X1 [plus](X1,X2) = X1 + X2 [prod](X) = X [sum](X) = 2.X + 2 [union](X1,X2) = 2.X1 + 2.X2 + 2 [1](X) = 2.X + 2 [empty] = 1 [singl](X) = X + 2 [tt] = 2 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 [U142#](X1,X2,X3) = 2.X2 + 2.X3 + 2 [U151#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 [U152#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 2.X1 + 2.X2 + 2 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.3: SCC Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: U142#(tt,X,Y) -> PLUS(X,Y) U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) PLUS(0(X),1(Y)) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> U141#(isBin(X),X,Y) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) PLUS(plus(x6,x7),x8) -> PLUS(x6,plus(x7,x8)) PLUS(x6,x7) -> PLUS(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) Problem 1.3: Reduction Pairs Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: U151#(tt,X,Y) -> U152#(isBin(Y),X,Y) U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U11(tt) -> tt U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 2.X [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 2 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = X2 [U131](X1,X2,X3) = 2.X2 + 2.X3 [U132](X1,X2,X3) = 2.X2 + 2.X3 [U141](X1,X2,X3) = 2.X2 + 2.X3 + 2 [U142](X1,X2,X3) = 2.X2 + 2.X3 + 2 [U151](X1,X2,X3) = X1 + 2.X2 + 2.X3 + 2 [U152](X1,X2,X3) = X1 + 2.X2 + 2.X3 + 2 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X2 + 2 [U22](X) = 2 [U31](X) = 2 [U41](X) = X [U51](X1,X2) = 2 [U52](X) = 2 [U61](X1,X2) = 2 [U62](X) = 2 [U71](X) = 2 [U81](X) = 2 [U91](X) = 0 [isBag](X) = 2.X + 2 [isBin](X) = 2 [mult](X1,X2) = 2.X1 + 2.X2 + 2 [plus](X1,X2) = X1 + X2 [prod](X) = X [sum](X) = 2.X + 2 [union](X1,X2) = 2.X1 + 2.X2 + 2 [1](X) = 2.X + 2 [empty] = 0 [singl](X) = 2.X + 1 [tt] = 2 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 2.X1 + 2.X2 + 2.X3 + 2 [U152#](X1,X2,X3) = X1 + 2.X2 + 2.X3 + 2 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 2.X1 + 2.X2 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.3: SCC Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: U152#(tt,X,Y) -> PLUS(plus(X,Y),1(z)) U152#(tt,X,Y) -> PLUS(X,Y) PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> U151#(isBin(X),X,Y) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) PLUS(1(X),1(Y)) -> U151#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) PLUS(plus(x6,x7),x8) -> PLUS(x6,plus(x7,x8)) PLUS(x6,x7) -> PLUS(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) Problem 1.3: Reduction Pairs Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: PLUS(plus(0(X),0(Y)),x6) -> PLUS(U131(isBin(X),X,Y),x6) PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U11(tt) -> tt U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 2 [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 2.X + 1 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = X2 + 2 [U131](X1,X2,X3) = 2 [U132](X1,X2,X3) = 2 [U141](X1,X2,X3) = 2 [U142](X1,X2,X3) = 2 [U151](X1,X2,X3) = 2 [U152](X1,X2,X3) = 2 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 + 2 [U22](X) = 2 [U31](X) = 2 [U41](X) = 2 [U51](X1,X2) = 2.X1 + 2.X2 [U52](X) = X + 1 [U61](X1,X2) = X1 + 2.X2 + 2 [U62](X) = X + 2 [U71](X) = 2.X + 1 [U81](X) = 2.X + 1 [U91](X) = 0 [isBag](X) = 2.X [isBin](X) = 2.X [mult](X1,X2) = 2.X1 + 2.X2 [plus](X1,X2) = X1 + X2 + 2 [prod](X) = 2.X + 2 [sum](X) = 2.X + 2 [union](X1,X2) = 2.X1 + 2 [1](X) = 2 [empty] = 2 [singl](X) = 2.X + 2 [tt] = 2 [z] = 2 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 2.X1 + 2.X2 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.3: SCC Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) PLUS(plus(x6,x7),x8) -> PLUS(x6,plus(x7,x8)) PLUS(x6,x7) -> PLUS(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) Problem 1.3: Reduction Pairs Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: PLUS(plus(0(X),1(Y)),x6) -> PLUS(U141(isBin(X),X,Y),x6) PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U11(tt) -> tt U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 2 [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 2.X [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = X2 + 2 [U131](X1,X2,X3) = 2.X1 + 2 [U132](X1,X2,X3) = 2 [U141](X1,X2,X3) = 2.X1 + 2 [U142](X1,X2,X3) = 2.X1 + 2 [U151](X1,X2,X3) = 2 [U152](X1,X2,X3) = 2.X1 + 2 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 [U22](X) = 2.X [U31](X) = 2.X [U41](X) = 2.X [U51](X1,X2) = 2.X1 [U52](X) = 2.X [U61](X1,X2) = 0 [U62](X) = 2.X [U71](X) = 0 [U81](X) = 2.X [U91](X) = 0 [isBag](X) = 0 [isBin](X) = 0 [mult](X1,X2) = 2.X1 + 2 [plus](X1,X2) = X1 + X2 + 2 [prod](X) = 2.X + 2 [sum](X) = 2.X [union](X1,X2) = 2.X1 + X2 [1](X) = 2 [empty] = 0 [singl](X) = 2.X + 1 [tt] = 0 [z] = 2 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 2.X1 + 2.X2 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.3: SCC Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) PLUS(plus(x6,x7),x8) -> PLUS(x6,plus(x7,x8)) PLUS(x6,x7) -> PLUS(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) Problem 1.3: Reduction Pairs Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: PLUS(plus(1(X),1(Y)),x6) -> PLUS(U151(isBin(X),X,Y),x6) PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U11(tt) -> tt U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 2 [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 2.X + 1 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = X2 + 1 [U131](X1,X2,X3) = 2 [U132](X1,X2,X3) = 2 [U141](X1,X2,X3) = 2 [U142](X1,X2,X3) = 2 [U151](X1,X2,X3) = 2 [U152](X1,X2,X3) = 2 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 + 2.X2 + 1 [U22](X) = X + 2 [U31](X) = 2 [U41](X) = 2 [U51](X1,X2) = 2.X1 + X2 + 2 [U52](X) = 2 [U61](X1,X2) = X1 + 2.X2 + 2 [U62](X) = X + 2 [U71](X) = 2 [U81](X) = X + 2 [U91](X) = 0 [isBag](X) = 2.X + 2 [isBin](X) = 2.X + 2 [mult](X1,X2) = 2.X1 + 2.X2 + 2 [plus](X1,X2) = X1 + X2 + 2 [prod](X) = 1 [sum](X) = X + 2 [union](X1,X2) = 2.X1 + 2.X2 + 2 [1](X) = 2 [empty] = 0 [singl](X) = 2.X + 2 [tt] = 2 [z] = 2 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 2.X1 + 2.X2 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.3: SCC Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) PLUS(plus(x6,x7),x8) -> PLUS(x6,plus(x7,x8)) PLUS(x6,x7) -> PLUS(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) Problem 1.3: Reduction Pairs Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: PLUS(plus(z,X),x6) -> PLUS(U121(isBin(X),X),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U11(tt) -> tt U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 1 [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 2.X + 1 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = X2 [U131](X1,X2,X3) = 2 [U132](X1,X2,X3) = 1 [U141](X1,X2,X3) = 2 [U142](X1,X2,X3) = 2 [U151](X1,X2,X3) = 2 [U152](X1,X2,X3) = 2 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 + 2.X2 + 2 [U22](X) = X + 2 [U31](X) = 2 [U41](X) = 2 [U51](X1,X2) = X1 + 2.X2 + 2 [U52](X) = 2.X [U61](X1,X2) = X1 + X2 + 2 [U62](X) = X + 2 [U71](X) = X [U81](X) = X + 2 [U91](X) = 0 [isBag](X) = 2.X + 2 [isBin](X) = X + 2 [mult](X1,X2) = 2.X1 + 2.X2 + 2 [plus](X1,X2) = X1 + X2 + 2 [prod](X) = 2.X [sum](X) = 2.X + 2 [union](X1,X2) = 2.X1 + X2 + 2 [1](X) = 2 [empty] = 2 [singl](X) = 2.X + 2 [tt] = 2 [z] = 1 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 2.X1 + 2.X2 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.3: SCC Processor: -> FAxioms: PLUS(plus(x6,x7),x8) = PLUS(x6,plus(x7,x8)) PLUS(x6,x7) = PLUS(x7,x6) -> Pairs: Empty -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: PLUS(plus(x6,x7),x8) -> PLUS(x6,x7) PLUS(x6,plus(x7,x8)) -> PLUS(x7,x8) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.4: Reduction Pairs Processor: -> FAxioms: Empty -> Pairs: U191#(tt,A,B) -> U192#(isBag(B),A,B) U192#(tt,A,B) -> SUM(A) U192#(tt,A,B) -> SUM(B) SUM(union(A,B)) -> U191#(isBag(A),A,B) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: Empty -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: U11(tt) -> tt U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt -> SRules: Empty ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 2.X + 2 [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 2 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = 0 [U131](X1,X2,X3) = 0 [U132](X1,X2,X3) = 0 [U141](X1,X2,X3) = 0 [U142](X1,X2,X3) = 0 [U151](X1,X2,X3) = 0 [U152](X1,X2,X3) = 0 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 [U22](X) = 2 [U31](X) = 2.X + 1 [U41](X) = 2.X + 2 [U51](X1,X2) = X1 + 2.X2 + 2 [U52](X) = X [U61](X1,X2) = 2.X1 + 2 [U62](X) = 2 [U71](X) = 2.X + 2 [U81](X) = 2 [U91](X) = 0 [isBag](X) = 2.X + 2 [isBin](X) = 2.X + 2 [mult](X1,X2) = X1 + 2.X2 + 1 [plus](X1,X2) = 2.X1 + 2 [prod](X) = 2.X + 2 [sum](X) = 2 [union](X1,X2) = 2.X1 + 2.X2 + 2 [1](X) = 2.X + 2 [empty] = 2 [singl](X) = X [tt] = 2 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = X1 + 2.X2 + 2.X3 + 2 [U192#](X1,X2,X3) = 2.X2 + 2.X3 + 2 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 0 [PROD](X) = 0 [SUM](X) = 2.X + 2 [UNION](X1,X2) = 0 Problem 1.4: SCC Processor: -> FAxioms: Empty -> Pairs: U192#(tt,A,B) -> SUM(A) U192#(tt,A,B) -> SUM(B) SUM(union(A,B)) -> U191#(isBag(A),A,B) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: Empty ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.5: Reduction Pairs Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: U101#(tt,X,Y) -> U102#(isBin(Y),X,Y) U102#(tt,X,Y) -> MULT(X,Y) U111#(tt,X,Y) -> U112#(isBin(Y),X,Y) U112#(tt,X,Y) -> MULT(X,Y) MULT(0(X),Y) -> U101#(isBin(X),X,Y) MULT(mult(0(X),Y),x6) -> U101#(isBin(X),X,Y) MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> U111#(isBin(X),X,Y) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) MULT(1(X),Y) -> U111#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 1 ->Interpretation: [0](X) = X + 1 [U101](X1,X2,X3) = X1.X2.X3 + X1.X2 + X3 + 1 [U102](X1,X2,X3) = X1.X2.X3 + X1.X2 + X1.X3 + X1 [U11](X) = X.X + X + 1 [U111](X1,X2,X3) = X1.X2.X3 + X1.X2 + X1.X3 + X3 + 1 [U112](X1,X2,X3) = X1.X2.X3 + X1.X2 + X1.X3 + X3 + 1 [U121](X1,X2) = X1.X2 [U131](X1,X2,X3) = X1.X2 + X1 + X3 + 1 [U132](X1,X2,X3) = X1.X3 + X2 + 1 [U141](X1,X2,X3) = X1.X2 + X1.X3 + X1 + 1 [U142](X1,X2,X3) = X1.X2 + X1.X3 + 1 [U151](X1,X2,X3) = X1.X3 + X1 + X2 + 1 [U152](X1,X2,X3) = X1.X2 + X1.X3 + X1 + 1 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = X1.X2 + X1 + X2 + 1 [U22](X) = 1 [U31](X) = 1 [U41](X) = 1 [U51](X1,X2) = X1 [U52](X) = X [U61](X1,X2) = X1 [U62](X) = X.X [U71](X) = 1 [U81](X) = 1 [U91](X) = 0 [isBag](X) = X.X + X + 1 [isBin](X) = 1 [mult](X1,X2) = X1.X2 + X1 + X2 [plus](X1,X2) = X1 + X2 [prod](X) = X.X + 1 [sum](X) = X [union](X1,X2) = X1.X2 + X1 + X2 + 1 [1](X) = X + 1 [empty] = 1 [singl](X) = X + 1 [tt] = 1 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = X1.X2.X3 + X1.X2 + X1.X3 + X1 + X3 + 1 [U102#](X1,X2,X3) = X1.X2.X3 + X1.X2 + X1 + X3 [U11#](X) = 0 [U111#](X1,X2,X3) = X1.X2.X3 + X1.X2 + X1.X3 + X1 + X3 + 1 [U112#](X1,X2,X3) = X1.X2.X3 + X1.X2 + X1.X3 + X1 + X3 + 1 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = X1.X2 + X1 + X2 + 1 [PLUS](X1,X2) = 0 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.5: SCC Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: U102#(tt,X,Y) -> MULT(X,Y) U111#(tt,X,Y) -> U112#(isBin(Y),X,Y) U112#(tt,X,Y) -> MULT(X,Y) MULT(0(X),Y) -> U101#(isBin(X),X,Y) MULT(mult(0(X),Y),x6) -> U101#(isBin(X),X,Y) MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> U111#(isBin(X),X,Y) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) MULT(1(X),Y) -> U111#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: U111#(tt,X,Y) -> U112#(isBin(Y),X,Y) U112#(tt,X,Y) -> MULT(X,Y) MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> U111#(isBin(X),X,Y) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) MULT(1(X),Y) -> U111#(isBin(X),X,Y) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) MULT(mult(x6,x7),x8) -> MULT(x6,mult(x7,x8)) MULT(x6,x7) -> MULT(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) Problem 1.5: Reduction Pairs Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: U111#(tt,X,Y) -> U112#(isBin(Y),X,Y) U112#(tt,X,Y) -> MULT(X,Y) MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> U111#(isBin(X),X,Y) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) MULT(1(X),Y) -> U111#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Interpretation type: Simple mixed ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 1 ->Interpretation: [0](X) = X + 1 [U101](X1,X2,X3) = X1.X2.X3 + X1.X2 + X1.X3 + X1 + X3 [U102](X1,X2,X3) = X1.X3 + X2.X3 + X2 + X3 + 1 [U11](X) = X + 1 [U111](X1,X2,X3) = X1.X2 + X1.X3 + X2.X3 + X1 + X3 [U112](X1,X2,X3) = X1.X3 + X2.X3 + X2 + X3 + 1 [U121](X1,X2) = X1.X2 [U131](X1,X2,X3) = X1.X2 + X1 + X3 + 1 [U132](X1,X2,X3) = X1.X2 + X1 + X3 + 1 [U141](X1,X2,X3) = X1 + X2 + X3 + 1 [U142](X1,X2,X3) = X1 + X2 + X3 + 1 [U151](X1,X2,X3) = X1.X2 + X1.X3 + X1 + 1 [U152](X1,X2,X3) = X1 + X2 + X3 + 1 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = X1 + X2 [U22](X) = 1 [U31](X) = 1 [U41](X) = X.X [U51](X1,X2) = X1 [U52](X) = X.X [U61](X1,X2) = 1 [U62](X) = 1 [U71](X) = 1 [U81](X) = 1 [U91](X) = 0 [isBag](X) = X + 1 [isBin](X) = 1 [mult](X1,X2) = X1.X2 + X1 + X2 [plus](X1,X2) = X1 + X2 [prod](X) = 0 [sum](X) = 0 [union](X1,X2) = X1.X2 + X1 + X2 [1](X) = X + 1 [empty] = 1 [singl](X) = X.X + X + 1 [tt] = 1 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = X2.X3 + X1 + X2 + X3 + 1 [U112#](X1,X2,X3) = X1.X2 + X2.X3 + X1 + X3 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = X1.X2 + X1 + X2 + 1 [PLUS](X1,X2) = 0 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.5: SCC Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: U112#(tt,X,Y) -> MULT(X,Y) MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> U111#(isBin(X),X,Y) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) MULT(1(X),Y) -> U111#(isBin(X),X,Y) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) MULT(mult(x6,x7),x8) -> MULT(x6,mult(x7,x8)) MULT(x6,x7) -> MULT(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) Problem 1.5: Reduction Pairs Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: MULT(mult(0(X),Y),x6) -> MULT(U101(isBin(X),X,Y),x6) MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 0 [U101](X1,X2,X3) = X3 + 1 [U102](X1,X2,X3) = X3 [U11](X) = X + 1 [U111](X1,X2,X3) = X3 + 2 [U112](X1,X2,X3) = X3 + 2 [U121](X1,X2) = X2 [U131](X1,X2,X3) = 2 [U132](X1,X2,X3) = 2 [U141](X1,X2,X3) = 2 [U142](X1,X2,X3) = 2 [U151](X1,X2,X3) = 2 [U152](X1,X2,X3) = 2 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 + 2.X2 [U22](X) = 2.X [U31](X) = 2 [U41](X) = 2 [U51](X1,X2) = X1 + 2.X2 + 2 [U52](X) = X + 1 [U61](X1,X2) = X2 + 2 [U62](X) = 2 [U71](X) = 2.X + 2 [U81](X) = 2.X + 2 [U91](X) = 1 [isBag](X) = X + 1 [isBin](X) = 2.X + 2 [mult](X1,X2) = X1 + X2 + 2 [plus](X1,X2) = X1 + X2 + 2 [prod](X) = 2.X + 1 [sum](X) = X + 2 [union](X1,X2) = 2.X1 + 2.X2 + 1 [1](X) = 2 [empty] = 2 [singl](X) = 2.X + 2 [tt] = 2 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 2.X1 + 2.X2 [PLUS](X1,X2) = 0 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.5: SCC Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) MULT(mult(x6,x7),x8) -> MULT(x6,mult(x7,x8)) MULT(x6,x7) -> MULT(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) Problem 1.5: Reduction Pairs Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: MULT(mult(1(X),Y),x6) -> MULT(U111(isBin(X),X,Y),x6) MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 2 [U101](X1,X2,X3) = X1 + 2 [U102](X1,X2,X3) = 2 [U11](X) = 2 [U111](X1,X2,X3) = X3 + 2 [U112](X1,X2,X3) = X1 + X3 [U121](X1,X2) = X1 + X2 [U131](X1,X2,X3) = X1 + 2 [U132](X1,X2,X3) = 2.X1 [U141](X1,X2,X3) = 2.X1 [U142](X1,X2,X3) = 2.X1 [U151](X1,X2,X3) = X1 + 2 [U152](X1,X2,X3) = 2.X1 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2 [U22](X) = X [U31](X) = 2 [U41](X) = 2 [U51](X1,X2) = X1 [U52](X) = X [U61](X1,X2) = X1 [U62](X) = 2 [U71](X) = X [U81](X) = X [U91](X) = X [isBag](X) = 2 [isBin](X) = 2 [mult](X1,X2) = X1 + X2 + 2 [plus](X1,X2) = X1 + X2 [prod](X) = 2.X + 2 [sum](X) = X + 2 [union](X1,X2) = 2.X1 + 2.X2 [1](X) = 2 [empty] = 2 [singl](X) = X + 2 [tt] = 2 [z] = 2 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 2.X1 + 2.X2 [PLUS](X1,X2) = 0 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.5: SCC Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) -> FAxioms: mult(mult(x6,x7),x8) -> mult(x6,mult(x7,x8)) mult(x6,x7) -> mult(x7,x6) plus(plus(x6,x7),x8) -> plus(x6,plus(x7,x8)) plus(x6,x7) -> plus(x7,x6) union(union(x6,x7),x8) -> union(x6,union(x7,x8)) union(x6,x7) -> union(x7,x6) MULT(mult(x6,x7),x8) -> MULT(x6,mult(x7,x8)) MULT(x6,x7) -> MULT(x7,x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) ->->-> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) Problem 1.5: Reduction Pairs Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: MULT(mult(z,X),x6) -> MULT(U91(isBin(X)),x6) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 1 [U101](X1,X2,X3) = X1 + X3 + 1 [U102](X1,X2,X3) = 2.X1 + X3 + 1 [U11](X) = 2.X + 1 [U111](X1,X2,X3) = 2.X1 + X3 + 2 [U112](X1,X2,X3) = 2.X1 + X3 + 2 [U121](X1,X2) = X1 + X2 + 1 [U131](X1,X2,X3) = 2 [U132](X1,X2,X3) = 2.X1 + 2 [U141](X1,X2,X3) = 2.X1 + 2 [U142](X1,X2,X3) = 2.X1 + 2 [U151](X1,X2,X3) = 2.X1 + 1 [U152](X1,X2,X3) = 1 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 + 2 [U22](X) = 1 [U31](X) = 2.X [U41](X) = 2.X [U51](X1,X2) = 2.X1 [U52](X) = 0 [U61](X1,X2) = 2.X1 [U62](X) = 2.X [U71](X) = 0 [U81](X) = 0 [U91](X) = 0 [isBag](X) = 2.X + 2 [isBin](X) = 0 [mult](X1,X2) = X1 + X2 + 1 [plus](X1,X2) = X1 + X2 + 1 [prod](X) = X + 2 [sum](X) = 2 [union](X1,X2) = 2.X1 + 2.X2 + 2 [1](X) = 2 [empty] = 1 [singl](X) = 2.X + 2 [tt] = 0 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = 0 [U172#](X1,X2,X3) = 0 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 2.X1 + 2.X2 [PLUS](X1,X2) = 0 [PROD](X) = 0 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.5: SCC Processor: -> FAxioms: MULT(mult(x6,x7),x8) = MULT(x6,mult(x7,x8)) MULT(x6,x7) = MULT(x7,x6) -> Pairs: Empty -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: MULT(mult(x6,x7),x8) -> MULT(x6,x7) MULT(x6,mult(x7,x8)) -> MULT(x7,x8) ->Strongly Connected Components: There is no strongly connected component The problem is finite. Problem 1.6: Reduction Pairs Processor: -> FAxioms: Empty -> Pairs: U171#(tt,A,B) -> U172#(isBag(B),A,B) U172#(tt,A,B) -> PROD(A) U172#(tt,A,B) -> PROD(B) PROD(union(A,B)) -> U171#(isBag(A),A,B) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Usable Equations: Empty -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> Usable Rules: U11(tt) -> tt U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt -> SRules: Empty ->Interpretation type: Linear ->Coefficients: Natural Numbers ->Dimension: 1 ->Bound: 2 ->Interpretation: [0](X) = 2.X + 2 [U101](X1,X2,X3) = 0 [U102](X1,X2,X3) = 0 [U11](X) = 2 [U111](X1,X2,X3) = 0 [U112](X1,X2,X3) = 0 [U121](X1,X2) = 0 [U131](X1,X2,X3) = 0 [U132](X1,X2,X3) = 0 [U141](X1,X2,X3) = 0 [U142](X1,X2,X3) = 0 [U151](X1,X2,X3) = 0 [U152](X1,X2,X3) = 0 [U161](X1,X2) = 0 [U171](X1,X2,X3) = 0 [U172](X1,X2,X3) = 0 [U181](X1,X2) = 0 [U191](X1,X2,X3) = 0 [U192](X1,X2,X3) = 0 [U21](X1,X2) = 2.X1 [U22](X) = 2 [U31](X) = 2.X + 1 [U41](X) = 2.X + 2 [U51](X1,X2) = X1 + 2.X2 + 2 [U52](X) = X [U61](X1,X2) = 2.X1 + 2 [U62](X) = 2 [U71](X) = 2.X + 2 [U81](X) = 2 [U91](X) = 0 [isBag](X) = 2.X + 2 [isBin](X) = 2.X + 2 [mult](X1,X2) = X1 + 2.X2 + 1 [plus](X1,X2) = 2.X1 + 2 [prod](X) = 2.X + 2 [sum](X) = 2 [union](X1,X2) = 2.X1 + 2.X2 + 2 [1](X) = 2.X + 2 [empty] = 2 [singl](X) = X [tt] = 2 [z] = 0 [0#](X) = 0 [U101#](X1,X2,X3) = 0 [U102#](X1,X2,X3) = 0 [U11#](X) = 0 [U111#](X1,X2,X3) = 0 [U112#](X1,X2,X3) = 0 [U121#](X1,X2) = 0 [U131#](X1,X2,X3) = 0 [U132#](X1,X2,X3) = 0 [U141#](X1,X2,X3) = 0 [U142#](X1,X2,X3) = 0 [U151#](X1,X2,X3) = 0 [U152#](X1,X2,X3) = 0 [U161#](X1,X2) = 0 [U171#](X1,X2,X3) = X1 + 2.X2 + 2.X3 + 2 [U172#](X1,X2,X3) = 2.X2 + 2.X3 + 2 [U181#](X1,X2) = 0 [U191#](X1,X2,X3) = 0 [U192#](X1,X2,X3) = 0 [U21#](X1,X2) = 0 [U22#](X) = 0 [U31#](X) = 0 [U41#](X) = 0 [U51#](X1,X2) = 0 [U52#](X) = 0 [U61#](X1,X2) = 0 [U62#](X) = 0 [U71#](X) = 0 [U81#](X) = 0 [U91#](X) = 0 [ISBAG](X) = 0 [ISBIN](X) = 0 [MULT](X1,X2) = 0 [PLUS](X1,X2) = 0 [PROD](X) = 2.X + 2 [SUM](X) = 0 [UNION](X1,X2) = 0 Problem 1.6: SCC Processor: -> FAxioms: Empty -> Pairs: U172#(tt,A,B) -> PROD(A) U172#(tt,A,B) -> PROD(B) PROD(union(A,B)) -> U171#(isBag(A),A,B) -> EAxioms: mult(mult(x6,x7),x8) = mult(x6,mult(x7,x8)) mult(x6,x7) = mult(x7,x6) plus(plus(x6,x7),x8) = plus(x6,plus(x7,x8)) plus(x6,x7) = plus(x7,x6) union(union(x6,x7),x8) = union(x6,union(x7,x8)) union(x6,x7) = union(x7,x6) -> Rules: 0(z) -> z U101(tt,X,Y) -> U102(isBin(Y),X,Y) U102(tt,X,Y) -> 0(mult(X,Y)) U11(tt) -> tt U111(tt,X,Y) -> U112(isBin(Y),X,Y) U112(tt,X,Y) -> plus(0(mult(X,Y)),Y) U121(tt,X) -> X U131(tt,X,Y) -> U132(isBin(Y),X,Y) U132(tt,X,Y) -> 0(plus(X,Y)) U141(tt,X,Y) -> U142(isBin(Y),X,Y) U142(tt,X,Y) -> 1(plus(X,Y)) U151(tt,X,Y) -> U152(isBin(Y),X,Y) U152(tt,X,Y) -> 0(plus(plus(X,Y),1(z))) U161(tt,X) -> X U171(tt,A,B) -> U172(isBag(B),A,B) U172(tt,A,B) -> mult(prod(A),prod(B)) U181(tt,X) -> X U191(tt,A,B) -> U192(isBag(B),A,B) U192(tt,A,B) -> plus(sum(A),sum(B)) U21(tt,V2) -> U22(isBag(V2)) U22(tt) -> tt U31(tt) -> tt U41(tt) -> tt U51(tt,V2) -> U52(isBin(V2)) U52(tt) -> tt U61(tt,V2) -> U62(isBin(V2)) U62(tt) -> tt U71(tt) -> tt U81(tt) -> tt U91(tt) -> z isBag(union(V1,V2)) -> U21(isBag(V1),V2) isBag(empty) -> tt isBag(singl(V1)) -> U11(isBin(V1)) isBin(0(V1)) -> U31(isBin(V1)) isBin(mult(V1,V2)) -> U51(isBin(V1),V2) isBin(plus(V1,V2)) -> U61(isBin(V1),V2) isBin(prod(V1)) -> U71(isBag(V1)) isBin(sum(V1)) -> U81(isBag(V1)) isBin(1(V1)) -> U41(isBin(V1)) isBin(z) -> tt mult(0(X),Y) -> U101(isBin(X),X,Y) mult(1(X),Y) -> U111(isBin(X),X,Y) mult(z,X) -> U91(isBin(X)) plus(0(X),0(Y)) -> U131(isBin(X),X,Y) plus(0(X),1(Y)) -> U141(isBin(X),X,Y) plus(1(X),1(Y)) -> U151(isBin(X),X,Y) plus(z,X) -> U121(isBin(X),X) prod(union(A,B)) -> U171(isBag(A),A,B) prod(empty) -> 1(z) prod(singl(X)) -> U161(isBin(X),X) sum(union(A,B)) -> U191(isBag(A),A,B) sum(empty) -> 0(z) sum(singl(X)) -> U181(isBin(X),X) union(empty,X) -> X union(X,empty) -> X -> SRules: Empty ->Strongly Connected Components: There is no strongly connected component The problem is finite.