168.96/43.11 YES 168.96/43.12 168.96/43.12 Problem: 168.96/43.12 a(x1) -> x1 168.96/43.12 a(b(x1)) -> b(b(b(a(a(c(x1)))))) 168.96/43.12 b(x1) -> x1 168.96/43.12 c(c(x1)) -> x1 168.96/43.12 168.96/43.12 Proof: 168.96/43.12 String Reversal Processor: 168.96/43.12 a(x1) -> x1 168.96/43.12 b(a(x1)) -> c(a(a(b(b(b(x1)))))) 168.96/43.12 b(x1) -> x1 168.96/43.12 c(c(x1)) -> x1 168.96/43.12 DP Processor: 168.96/43.12 DPs: 168.96/43.12 b#(a(x1)) -> b#(x1) 168.96/43.12 b#(a(x1)) -> b#(b(x1)) 168.96/43.12 b#(a(x1)) -> b#(b(b(x1))) 168.96/43.12 b#(a(x1)) -> a#(b(b(b(x1)))) 168.96/43.12 b#(a(x1)) -> a#(a(b(b(b(x1))))) 168.96/43.12 b#(a(x1)) -> c#(a(a(b(b(b(x1)))))) 168.96/43.12 TRS: 168.96/43.12 a(x1) -> x1 168.96/43.12 b(a(x1)) -> c(a(a(b(b(b(x1)))))) 168.96/43.12 b(x1) -> x1 168.96/43.12 c(c(x1)) -> x1 168.96/43.12 TDG Processor: 168.96/43.12 DPs: 168.96/43.12 b#(a(x1)) -> b#(x1) 168.96/43.12 b#(a(x1)) -> b#(b(x1)) 168.96/43.12 b#(a(x1)) -> b#(b(b(x1))) 168.96/43.12 b#(a(x1)) -> a#(b(b(b(x1)))) 168.96/43.12 b#(a(x1)) -> a#(a(b(b(b(x1))))) 168.96/43.12 b#(a(x1)) -> c#(a(a(b(b(b(x1)))))) 168.96/43.12 TRS: 168.96/43.12 a(x1) -> x1 168.96/43.12 b(a(x1)) -> c(a(a(b(b(b(x1)))))) 168.96/43.12 b(x1) -> x1 168.96/43.12 c(c(x1)) -> x1 168.96/43.12 graph: 168.96/43.12 b#(a(x1)) -> b#(b(b(x1))) -> b#(a(x1)) -> c#(a(a(b(b(b(x1)))))) 168.96/43.12 b#(a(x1)) -> b#(b(b(x1))) -> b#(a(x1)) -> a#(a(b(b(b(x1))))) 168.96/43.12 b#(a(x1)) -> b#(b(b(x1))) -> b#(a(x1)) -> a#(b(b(b(x1)))) 168.96/43.12 b#(a(x1)) -> b#(b(b(x1))) -> b#(a(x1)) -> b#(b(b(x1))) 168.96/43.12 b#(a(x1)) -> b#(b(b(x1))) -> b#(a(x1)) -> b#(b(x1)) 168.96/43.12 b#(a(x1)) -> b#(b(b(x1))) -> b#(a(x1)) -> b#(x1) 168.96/43.12 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> c#(a(a(b(b(b(x1)))))) 168.96/43.12 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> a#(a(b(b(b(x1))))) 168.96/43.12 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> a#(b(b(b(x1)))) 168.96/43.12 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> b#(b(b(x1))) 168.96/43.12 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> b#(b(x1)) 168.96/43.12 b#(a(x1)) -> b#(b(x1)) -> b#(a(x1)) -> b#(x1) 168.96/43.12 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> c#(a(a(b(b(b(x1)))))) 168.96/43.12 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> a#(a(b(b(b(x1))))) 168.96/43.12 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> a#(b(b(b(x1)))) 168.96/43.12 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> b#(b(b(x1))) 168.96/43.12 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> b#(b(x1)) 168.96/43.12 b#(a(x1)) -> b#(x1) -> b#(a(x1)) -> b#(x1) 168.96/43.12 SCC Processor: 168.96/43.12 #sccs: 1 168.96/43.12 #rules: 3 168.96/43.12 #arcs: 18/36 168.96/43.12 DPs: 168.96/43.12 b#(a(x1)) -> b#(b(b(x1))) 168.96/43.12 b#(a(x1)) -> b#(x1) 168.96/43.12 b#(a(x1)) -> b#(b(x1)) 168.96/43.12 TRS: 168.96/43.12 a(x1) -> x1 168.96/43.12 b(a(x1)) -> c(a(a(b(b(b(x1)))))) 168.96/43.12 b(x1) -> x1 168.96/43.12 c(c(x1)) -> x1 168.96/43.12 Arctic Interpretation Processor: 168.96/43.12 dimension: 2 168.96/43.12 usable rules: 168.96/43.12 a(x1) -> x1 168.96/43.12 b(a(x1)) -> c(a(a(b(b(b(x1)))))) 168.96/43.12 b(x1) -> x1 168.96/43.12 c(c(x1)) -> x1 168.96/43.12 interpretation: 168.96/43.12 [b#](x0) = [-& 0 ]x0 + [1], 168.96/43.12 168.96/43.12 [0 0 ] [0] 168.96/43.12 [c](x0) = [0 -&]x0 + [1], 168.96/43.12 168.96/43.12 [0 1 ] [0] 168.96/43.12 [b](x0) = [-& 0 ]x0 + [0], 168.96/43.12 168.96/43.12 [0 0] [0] 168.96/43.12 [a](x0) = [0 1]x0 + [2] 168.96/43.12 orientation: 168.96/43.12 b#(a(x1)) = [0 1]x1 + [2] >= [-& 0 ]x1 + [1] = b#(b(b(x1))) 168.96/43.12 168.96/43.12 b#(a(x1)) = [0 1]x1 + [2] >= [-& 0 ]x1 + [1] = b#(x1) 168.96/43.12 168.96/43.12 b#(a(x1)) = [0 1]x1 + [2] >= [-& 0 ]x1 + [1] = b#(b(x1)) 168.96/43.12 168.96/43.12 [0 0] [0] 168.96/43.12 a(x1) = [0 1]x1 + [2] >= x1 = x1 168.96/43.12 168.96/43.12 [1 2] [3] [1 2] [3] 168.96/43.12 b(a(x1)) = [0 1]x1 + [2] >= [0 1]x1 + [2] = c(a(a(b(b(b(x1)))))) 168.96/43.12 168.96/43.12 [0 1 ] [0] 168.96/43.12 b(x1) = [-& 0 ]x1 + [0] >= x1 = x1 168.96/43.12 168.96/43.12 [0 0] [1] 168.96/43.12 c(c(x1)) = [0 0]x1 + [1] >= x1 = x1 168.96/43.12 problem: 168.96/43.12 DPs: 168.96/43.12 168.96/43.12 TRS: 168.96/43.12 a(x1) -> x1 168.96/43.12 b(a(x1)) -> c(a(a(b(b(b(x1)))))) 168.96/43.12 b(x1) -> x1 168.96/43.12 c(c(x1)) -> x1 168.96/43.12 Qed 168.96/43.12 EOF