167.32/42.72 YES 167.32/42.72 167.32/42.72 Problem: 167.32/42.72 a(x1) -> x1 167.32/42.72 a(b(x1)) -> a(c(b(b(c(x1))))) 167.32/42.72 b(x1) -> x1 167.32/42.72 c(c(x1)) -> a(x1) 167.32/42.72 167.32/42.72 Proof: 167.32/42.72 String Reversal Processor: 167.32/42.72 a(x1) -> x1 167.32/42.72 b(a(x1)) -> c(b(b(c(a(x1))))) 167.32/42.72 b(x1) -> x1 167.32/42.72 c(c(x1)) -> a(x1) 167.32/42.72 DP Processor: 167.32/42.72 DPs: 167.32/42.72 b#(a(x1)) -> c#(a(x1)) 167.32/42.72 b#(a(x1)) -> b#(c(a(x1))) 167.32/42.72 b#(a(x1)) -> b#(b(c(a(x1)))) 167.32/42.72 b#(a(x1)) -> c#(b(b(c(a(x1))))) 167.32/42.72 c#(c(x1)) -> a#(x1) 167.32/42.72 TRS: 167.32/42.72 a(x1) -> x1 167.32/42.72 b(a(x1)) -> c(b(b(c(a(x1))))) 167.32/42.72 b(x1) -> x1 167.32/42.72 c(c(x1)) -> a(x1) 167.32/42.72 TDG Processor: 167.32/42.72 DPs: 167.32/42.72 b#(a(x1)) -> c#(a(x1)) 167.32/42.72 b#(a(x1)) -> b#(c(a(x1))) 167.32/42.72 b#(a(x1)) -> b#(b(c(a(x1)))) 167.32/42.72 b#(a(x1)) -> c#(b(b(c(a(x1))))) 167.32/42.72 c#(c(x1)) -> a#(x1) 167.32/42.72 TRS: 167.32/42.72 a(x1) -> x1 167.32/42.72 b(a(x1)) -> c(b(b(c(a(x1))))) 167.32/42.72 b(x1) -> x1 167.32/42.72 c(c(x1)) -> a(x1) 167.32/42.72 graph: 167.32/42.72 b#(a(x1)) -> c#(b(b(c(a(x1))))) -> c#(c(x1)) -> a#(x1) 167.32/42.72 b#(a(x1)) -> c#(a(x1)) -> c#(c(x1)) -> a#(x1) 167.32/42.72 b#(a(x1)) -> b#(c(a(x1))) -> b#(a(x1)) -> c#(b(b(c(a(x1))))) 167.32/42.72 b#(a(x1)) -> b#(c(a(x1))) -> b#(a(x1)) -> b#(b(c(a(x1)))) 167.32/42.72 b#(a(x1)) -> b#(c(a(x1))) -> b#(a(x1)) -> b#(c(a(x1))) 167.32/42.72 b#(a(x1)) -> b#(c(a(x1))) -> b#(a(x1)) -> c#(a(x1)) 167.32/42.72 b#(a(x1)) -> b#(b(c(a(x1)))) -> b#(a(x1)) -> c#(b(b(c(a(x1))))) 167.32/42.72 b#(a(x1)) -> b#(b(c(a(x1)))) -> b#(a(x1)) -> b#(b(c(a(x1)))) 167.32/42.72 b#(a(x1)) -> b#(b(c(a(x1)))) -> b#(a(x1)) -> b#(c(a(x1))) 167.32/42.72 b#(a(x1)) -> b#(b(c(a(x1)))) -> b#(a(x1)) -> c#(a(x1)) 167.32/42.72 SCC Processor: 167.32/42.72 #sccs: 1 167.32/42.72 #rules: 2 167.32/42.72 #arcs: 10/25 167.32/42.72 DPs: 167.32/42.72 b#(a(x1)) -> b#(c(a(x1))) 167.32/42.72 b#(a(x1)) -> b#(b(c(a(x1)))) 167.32/42.72 TRS: 167.32/42.72 a(x1) -> x1 167.32/42.72 b(a(x1)) -> c(b(b(c(a(x1))))) 167.32/42.72 b(x1) -> x1 167.32/42.72 c(c(x1)) -> a(x1) 167.32/42.72 Arctic Interpretation Processor: 167.32/42.72 dimension: 2 167.32/42.72 usable rules: 167.32/42.72 a(x1) -> x1 167.32/42.72 b(a(x1)) -> c(b(b(c(a(x1))))) 167.32/42.72 b(x1) -> x1 167.32/42.72 c(c(x1)) -> a(x1) 167.32/42.72 interpretation: 167.32/42.72 [b#](x0) = [0 -&]x0 + [0], 167.32/42.72 167.32/42.72 [-& 0 ] [0] 167.32/42.72 [c](x0) = [0 2 ]x0 + [2], 167.32/42.72 167.32/42.72 [0 -&] [0] 167.32/42.72 [b](x0) = [2 0 ]x0 + [0], 167.32/42.72 167.32/42.72 [0 2 ] [2] 167.32/42.72 [a](x0) = [-& 0 ]x0 + [0] 167.32/42.72 orientation: 167.32/42.72 b#(a(x1)) = [0 2]x1 + [2] >= [-& 0 ]x1 + [0] = b#(c(a(x1))) 167.32/42.72 167.32/42.72 b#(a(x1)) = [0 2]x1 + [2] >= [-& 0 ]x1 + [0] = b#(b(c(a(x1)))) 167.32/42.72 167.32/42.72 [0 2 ] [2] 167.32/42.72 a(x1) = [-& 0 ]x1 + [0] >= x1 = x1 167.32/42.72 167.32/42.72 [0 2] [2] [0 2] [2] 167.32/42.72 b(a(x1)) = [2 4]x1 + [4] >= [2 4]x1 + [4] = c(b(b(c(a(x1))))) 167.32/42.72 167.32/42.72 [0 -&] [0] 167.32/42.72 b(x1) = [2 0 ]x1 + [0] >= x1 = x1 167.32/42.72 167.32/42.72 [0 2] [2] [0 2 ] [2] 167.32/42.72 c(c(x1)) = [2 4]x1 + [4] >= [-& 0 ]x1 + [0] = a(x1) 167.32/42.72 problem: 167.32/42.72 DPs: 167.32/42.72 167.32/42.72 TRS: 167.32/42.72 a(x1) -> x1 167.32/42.72 b(a(x1)) -> c(b(b(c(a(x1))))) 167.32/42.72 b(x1) -> x1 167.32/42.72 c(c(x1)) -> a(x1) 167.32/42.72 Qed 167.32/42.73 EOF