YES Problem 1: (VAR v_NonEmpty:S x:S) (RULES evenodd(0,s(0)) -> ffalse evenodd(s(x:S),s(0)) -> evenodd(x:S,0) evenodd(x:S,0) -> not(evenodd(x:S,s(0))) not(ffalse) -> ttrue not(ttrue) -> ffalse ) Problem 1: Innermost Equivalent Processor: -> Rules: evenodd(0,s(0)) -> ffalse evenodd(s(x:S),s(0)) -> evenodd(x:S,0) evenodd(x:S,0) -> not(evenodd(x:S,s(0))) not(ffalse) -> ttrue not(ttrue) -> ffalse -> The term rewriting system is non-overlaping or locally confluent overlay system. Therefore, innermost termination implies termination. Problem 1: Dependency Pairs Processor: -> Pairs: EVENODD(s(x:S),s(0)) -> EVENODD(x:S,0) EVENODD(x:S,0) -> EVENODD(x:S,s(0)) EVENODD(x:S,0) -> NOT(evenodd(x:S,s(0))) -> Rules: evenodd(0,s(0)) -> ffalse evenodd(s(x:S),s(0)) -> evenodd(x:S,0) evenodd(x:S,0) -> not(evenodd(x:S,s(0))) not(ffalse) -> ttrue not(ttrue) -> ffalse Problem 1: SCC Processor: -> Pairs: EVENODD(s(x:S),s(0)) -> EVENODD(x:S,0) EVENODD(x:S,0) -> EVENODD(x:S,s(0)) EVENODD(x:S,0) -> NOT(evenodd(x:S,s(0))) -> Rules: evenodd(0,s(0)) -> ffalse evenodd(s(x:S),s(0)) -> evenodd(x:S,0) evenodd(x:S,0) -> not(evenodd(x:S,s(0))) not(ffalse) -> ttrue not(ttrue) -> ffalse ->Strongly Connected Components: ->->Cycle: ->->-> Pairs: EVENODD(s(x:S),s(0)) -> EVENODD(x:S,0) EVENODD(x:S,0) -> EVENODD(x:S,s(0)) ->->-> Rules: evenodd(0,s(0)) -> ffalse evenodd(s(x:S),s(0)) -> evenodd(x:S,0) evenodd(x:S,0) -> not(evenodd(x:S,s(0))) not(ffalse) -> ttrue not(ttrue) -> ffalse Problem 1: Subterm Processor: -> Pairs: EVENODD(s(x:S),s(0)) -> EVENODD(x:S,0) EVENODD(x:S,0) -> EVENODD(x:S,s(0)) -> Rules: evenodd(0,s(0)) -> ffalse evenodd(s(x:S),s(0)) -> evenodd(x:S,0) evenodd(x:S,0) -> not(evenodd(x:S,s(0))) not(ffalse) -> ttrue not(ttrue) -> ffalse ->Projection: pi(EVENODD) = 1 Problem 1: SCC Processor: -> Pairs: EVENODD(x:S,0) -> EVENODD(x:S,s(0)) -> Rules: evenodd(0,s(0)) -> ffalse evenodd(s(x:S),s(0)) -> evenodd(x:S,0) evenodd(x:S,0) -> not(evenodd(x:S,s(0))) not(ffalse) -> ttrue not(ttrue) -> ffalse ->Strongly Connected Components: There is no strongly connected component The problem is finite.