YES(?,O(n^1)) 43.40/11.85 YES(?,O(n^1)) 43.40/11.86 43.40/11.86 Problem: 43.40/11.86 a(a(x1)) -> b(x1) 43.40/11.86 a(a(a(x1))) -> a(b(a(x1))) 43.40/11.86 a(b(a(x1))) -> b(b(b(x1))) 43.40/11.86 a(a(a(a(x1)))) -> a(a(b(a(a(x1))))) 43.40/11.86 a(a(b(a(x1)))) -> a(b(b(a(b(x1))))) 43.40/11.86 a(b(a(a(x1)))) -> b(a(b(b(a(x1))))) 43.40/11.86 a(b(b(a(x1)))) -> b(b(b(b(b(x1))))) 43.40/11.86 a(a(a(a(a(x1))))) -> a(a(a(b(a(a(a(x1))))))) 43.40/11.86 a(a(a(b(a(x1))))) -> a(a(b(b(a(a(b(x1))))))) 43.40/11.86 a(a(b(a(a(x1))))) -> a(b(a(b(a(b(a(x1))))))) 43.40/11.86 a(a(b(b(a(x1))))) -> a(b(b(b(a(b(b(x1))))))) 43.40/11.86 a(b(a(a(a(x1))))) -> b(a(a(b(b(a(a(x1))))))) 43.40/11.86 a(b(a(b(a(x1))))) -> b(a(b(b(b(a(b(x1))))))) 43.40/11.86 a(b(b(a(a(x1))))) -> b(b(a(b(b(b(a(x1))))))) 43.40/11.86 a(b(b(b(a(x1))))) -> b(b(b(b(b(b(b(x1))))))) 43.40/11.86 43.40/11.86 Proof: 43.40/11.86 Complexity Transformation Processor: 43.40/11.86 strict: 43.40/11.86 a(a(x1)) -> b(x1) 43.40/11.86 a(a(a(x1))) -> a(b(a(x1))) 43.40/11.86 a(b(a(x1))) -> b(b(b(x1))) 43.40/11.86 a(a(a(a(x1)))) -> a(a(b(a(a(x1))))) 43.40/11.86 a(a(b(a(x1)))) -> a(b(b(a(b(x1))))) 43.40/11.86 a(b(a(a(x1)))) -> b(a(b(b(a(x1))))) 43.40/11.86 a(b(b(a(x1)))) -> b(b(b(b(b(x1))))) 43.40/11.86 a(a(a(a(a(x1))))) -> a(a(a(b(a(a(a(x1))))))) 43.40/11.86 a(a(a(b(a(x1))))) -> a(a(b(b(a(a(b(x1))))))) 43.40/11.86 a(a(b(a(a(x1))))) -> a(b(a(b(a(b(a(x1))))))) 43.40/11.86 a(a(b(b(a(x1))))) -> a(b(b(b(a(b(b(x1))))))) 43.40/11.86 a(b(a(a(a(x1))))) -> b(a(a(b(b(a(a(x1))))))) 43.40/11.86 a(b(a(b(a(x1))))) -> b(a(b(b(b(a(b(x1))))))) 43.40/11.86 a(b(b(a(a(x1))))) -> b(b(a(b(b(b(a(x1))))))) 43.40/11.86 a(b(b(b(a(x1))))) -> b(b(b(b(b(b(b(x1))))))) 43.40/11.86 weak: 43.40/11.86 43.40/11.86 Matrix Interpretation Processor: dim=1 43.40/11.86 43.40/11.86 max_matrix: 43.40/11.86 1 43.40/11.86 interpretation: 43.40/11.86 [b](x0) = x0 + 1, 43.40/11.86 43.40/11.86 [a](x0) = x0 + 1 43.40/11.86 orientation: 43.40/11.86 a(a(x1)) = x1 + 2 >= x1 + 1 = b(x1) 43.40/11.86 43.40/11.86 a(a(a(x1))) = x1 + 3 >= x1 + 3 = a(b(a(x1))) 43.40/11.86 43.40/11.86 a(b(a(x1))) = x1 + 3 >= x1 + 3 = b(b(b(x1))) 43.40/11.86 43.40/11.86 a(a(a(a(x1)))) = x1 + 4 >= x1 + 5 = a(a(b(a(a(x1))))) 43.40/11.86 43.40/11.86 a(a(b(a(x1)))) = x1 + 4 >= x1 + 5 = a(b(b(a(b(x1))))) 43.40/11.86 43.40/11.86 a(b(a(a(x1)))) = x1 + 4 >= x1 + 5 = b(a(b(b(a(x1))))) 43.40/11.86 43.40/11.86 a(b(b(a(x1)))) = x1 + 4 >= x1 + 5 = b(b(b(b(b(x1))))) 43.40/11.86 43.40/11.86 a(a(a(a(a(x1))))) = x1 + 5 >= x1 + 7 = a(a(a(b(a(a(a(x1))))))) 43.40/11.86 43.40/11.86 a(a(a(b(a(x1))))) = x1 + 5 >= x1 + 7 = a(a(b(b(a(a(b(x1))))))) 43.40/11.86 43.40/11.86 a(a(b(a(a(x1))))) = x1 + 5 >= x1 + 7 = a(b(a(b(a(b(a(x1))))))) 43.40/11.86 43.40/11.86 a(a(b(b(a(x1))))) = x1 + 5 >= x1 + 7 = a(b(b(b(a(b(b(x1))))))) 43.40/11.86 43.40/11.86 a(b(a(a(a(x1))))) = x1 + 5 >= x1 + 7 = b(a(a(b(b(a(a(x1))))))) 43.40/11.86 43.40/11.86 a(b(a(b(a(x1))))) = x1 + 5 >= x1 + 7 = b(a(b(b(b(a(b(x1))))))) 43.40/11.86 43.40/11.86 a(b(b(a(a(x1))))) = x1 + 5 >= x1 + 7 = b(b(a(b(b(b(a(x1))))))) 43.40/11.86 43.40/11.86 a(b(b(b(a(x1))))) = x1 + 5 >= x1 + 7 = b(b(b(b(b(b(b(x1))))))) 43.40/11.86 problem: 43.40/11.86 strict: 43.40/11.86 a(a(a(x1))) -> a(b(a(x1))) 43.40/11.86 a(b(a(x1))) -> b(b(b(x1))) 43.40/11.86 a(a(a(a(x1)))) -> a(a(b(a(a(x1))))) 43.40/11.86 a(a(b(a(x1)))) -> a(b(b(a(b(x1))))) 43.40/11.86 a(b(a(a(x1)))) -> b(a(b(b(a(x1))))) 43.40/11.86 a(b(b(a(x1)))) -> b(b(b(b(b(x1))))) 43.40/11.86 a(a(a(a(a(x1))))) -> a(a(a(b(a(a(a(x1))))))) 43.40/11.86 a(a(a(b(a(x1))))) -> a(a(b(b(a(a(b(x1))))))) 43.40/11.86 a(a(b(a(a(x1))))) -> a(b(a(b(a(b(a(x1))))))) 43.40/11.86 a(a(b(b(a(x1))))) -> a(b(b(b(a(b(b(x1))))))) 43.40/11.86 a(b(a(a(a(x1))))) -> b(a(a(b(b(a(a(x1))))))) 43.40/11.86 a(b(a(b(a(x1))))) -> b(a(b(b(b(a(b(x1))))))) 43.40/11.86 a(b(b(a(a(x1))))) -> b(b(a(b(b(b(a(x1))))))) 43.40/11.86 a(b(b(b(a(x1))))) -> b(b(b(b(b(b(b(x1))))))) 43.40/11.86 weak: 43.40/11.86 a(a(x1)) -> b(x1) 43.40/11.86 Matrix Interpretation Processor: dim=1 43.40/11.86 43.40/11.86 max_matrix: 43.40/11.86 1 43.40/11.86 interpretation: 43.40/11.86 [b](x0) = x0, 43.40/11.86 43.40/11.86 [a](x0) = x0 + 4 43.40/11.86 orientation: 43.40/11.86 a(a(a(x1))) = x1 + 12 >= x1 + 8 = a(b(a(x1))) 43.40/11.86 43.40/11.86 a(b(a(x1))) = x1 + 8 >= x1 = b(b(b(x1))) 43.40/11.86 43.40/11.86 a(a(a(a(x1)))) = x1 + 16 >= x1 + 16 = a(a(b(a(a(x1))))) 43.40/11.86 43.40/11.86 a(a(b(a(x1)))) = x1 + 12 >= x1 + 8 = a(b(b(a(b(x1))))) 43.40/11.86 43.40/11.86 a(b(a(a(x1)))) = x1 + 12 >= x1 + 8 = b(a(b(b(a(x1))))) 43.40/11.86 43.40/11.86 a(b(b(a(x1)))) = x1 + 8 >= x1 = b(b(b(b(b(x1))))) 43.40/11.86 43.40/11.86 a(a(a(a(a(x1))))) = x1 + 20 >= x1 + 24 = a(a(a(b(a(a(a(x1))))))) 43.40/11.86 43.40/11.86 a(a(a(b(a(x1))))) = x1 + 16 >= x1 + 16 = a(a(b(b(a(a(b(x1))))))) 43.40/11.86 43.40/11.86 a(a(b(a(a(x1))))) = x1 + 16 >= x1 + 16 = a(b(a(b(a(b(a(x1))))))) 43.40/11.86 43.40/11.86 a(a(b(b(a(x1))))) = x1 + 12 >= x1 + 8 = a(b(b(b(a(b(b(x1))))))) 43.40/11.86 43.40/11.86 a(b(a(a(a(x1))))) = x1 + 16 >= x1 + 16 = b(a(a(b(b(a(a(x1))))))) 43.40/11.86 43.40/11.86 a(b(a(b(a(x1))))) = x1 + 12 >= x1 + 8 = b(a(b(b(b(a(b(x1))))))) 43.40/11.86 43.40/11.86 a(b(b(a(a(x1))))) = x1 + 12 >= x1 + 8 = b(b(a(b(b(b(a(x1))))))) 43.40/11.87 43.40/11.87 a(b(b(b(a(x1))))) = x1 + 8 >= x1 = b(b(b(b(b(b(b(x1))))))) 43.40/11.87 43.40/11.87 a(a(x1)) = x1 + 8 >= x1 = b(x1) 43.40/11.87 problem: 43.40/11.87 strict: 43.40/11.87 a(a(a(a(x1)))) -> a(a(b(a(a(x1))))) 43.40/11.87 a(a(a(a(a(x1))))) -> a(a(a(b(a(a(a(x1))))))) 43.40/11.87 a(a(a(b(a(x1))))) -> a(a(b(b(a(a(b(x1))))))) 43.40/11.87 a(a(b(a(a(x1))))) -> a(b(a(b(a(b(a(x1))))))) 43.40/11.87 a(b(a(a(a(x1))))) -> b(a(a(b(b(a(a(x1))))))) 43.40/11.87 weak: 43.40/11.87 a(a(a(x1))) -> a(b(a(x1))) 43.40/11.87 a(b(a(x1))) -> b(b(b(x1))) 43.40/11.87 a(a(b(a(x1)))) -> a(b(b(a(b(x1))))) 43.40/11.87 a(b(a(a(x1)))) -> b(a(b(b(a(x1))))) 43.40/11.87 a(b(b(a(x1)))) -> b(b(b(b(b(x1))))) 43.40/11.87 a(a(b(b(a(x1))))) -> a(b(b(b(a(b(b(x1))))))) 43.40/11.87 a(b(a(b(a(x1))))) -> b(a(b(b(b(a(b(x1))))))) 43.40/11.87 a(b(b(a(a(x1))))) -> b(b(a(b(b(b(a(x1))))))) 43.40/11.87 a(b(b(b(a(x1))))) -> b(b(b(b(b(b(b(x1))))))) 43.40/11.87 a(a(x1)) -> b(x1) 43.40/11.87 Matrix Interpretation Processor: dim=3 43.40/11.87 43.40/11.87 max_matrix: 43.40/11.87 [1 1 0] 43.40/11.87 [0 0 1] 43.40/11.87 [0 0 0] 43.40/11.87 interpretation: 43.40/11.87 [1 0 0] 43.40/11.87 [b](x0) = [0 0 0]x0 43.40/11.87 [0 0 0] , 43.40/11.87 43.40/11.87 [1 1 0] [0] 43.40/11.87 [a](x0) = [0 0 1]x0 + [0] 43.40/11.87 [0 0 0] [1] 43.40/11.87 orientation: 43.40/11.87 [1 1 1] [2] [1 1 1] [0] 43.40/11.87 a(a(a(a(x1)))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [1] = a(a(b(a(a(x1))))) 43.40/11.87 [0 0 0] [1] [0 0 0] [1] 43.40/11.87 43.40/11.87 [1 1 1] [3] [1 1 1] [2] 43.40/11.87 a(a(a(a(a(x1))))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [1] = a(a(a(b(a(a(a(x1))))))) 43.40/11.87 [0 0 0] [1] [0 0 0] [1] 43.40/11.87 43.40/11.87 [1 1 0] [1] [1 0 0] [0] 43.40/11.87 a(a(a(b(a(x1))))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [1] = a(a(b(b(a(a(b(x1))))))) 43.40/11.87 [0 0 0] [1] [0 0 0] [1] 43.40/11.87 43.40/11.87 [1 1 1] [0] [1 1 0] [0] 43.40/11.87 a(a(b(a(a(x1))))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [0] = a(b(a(b(a(b(a(x1))))))) 43.40/11.87 [0 0 0] [1] [0 0 0] [1] 43.40/11.87 43.40/11.87 [1 1 1] [1] [1 1 1] 43.40/11.87 a(b(a(a(a(x1))))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(a(a(b(b(a(a(x1))))))) 43.40/11.87 [0 0 0] [1] [0 0 0] 43.40/11.87 43.40/11.87 [1 1 1] [1] [1 1 0] [0] 43.40/11.87 a(a(a(x1))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [0] = a(b(a(x1))) 43.40/11.87 [0 0 0] [1] [0 0 0] [1] 43.40/11.87 43.40/11.87 [1 1 0] [0] [1 0 0] 43.40/11.87 a(b(a(x1))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(b(b(x1))) 43.40/11.87 [0 0 0] [1] [0 0 0] 43.40/11.87 43.40/11.87 [1 1 0] [0] [1 0 0] [0] 43.40/11.87 a(a(b(a(x1)))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [0] = a(b(b(a(b(x1))))) 43.40/11.87 [0 0 0] [1] [0 0 0] [1] 43.40/11.87 43.40/11.87 [1 1 1] [0] [1 1 0] 43.40/11.87 a(b(a(a(x1)))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(a(b(b(a(x1))))) 43.40/11.87 [0 0 0] [1] [0 0 0] 43.40/11.87 43.40/11.87 [1 1 0] [0] [1 0 0] 43.40/11.87 a(b(b(a(x1)))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(b(b(b(b(x1))))) 43.40/11.87 [0 0 0] [1] [0 0 0] 43.40/11.87 43.40/11.87 [1 1 0] [0] [1 0 0] [0] 43.40/11.87 a(a(b(b(a(x1))))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [0] = a(b(b(b(a(b(b(x1))))))) 43.40/11.87 [0 0 0] [1] [0 0 0] [1] 43.40/11.87 43.40/11.87 [1 1 0] [0] [1 0 0] 43.40/11.87 a(b(a(b(a(x1))))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(a(b(b(b(a(b(x1))))))) 43.40/11.87 [0 0 0] [1] [0 0 0] 43.40/11.88 43.40/11.88 [1 1 1] [0] [1 1 0] 43.40/11.88 a(b(b(a(a(x1))))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(b(a(b(b(b(a(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 43.40/11.88 [1 1 0] [0] [1 0 0] 43.40/11.88 a(b(b(b(a(x1))))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(b(b(b(b(b(b(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 43.40/11.88 [1 1 1] [0] [1 0 0] 43.40/11.88 a(a(x1)) = [0 0 0]x1 + [1] >= [0 0 0]x1 = b(x1) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 problem: 43.40/11.88 strict: 43.40/11.88 a(a(b(a(a(x1))))) -> a(b(a(b(a(b(a(x1))))))) 43.40/11.88 weak: 43.40/11.88 a(a(a(a(x1)))) -> a(a(b(a(a(x1))))) 43.40/11.88 a(a(a(a(a(x1))))) -> a(a(a(b(a(a(a(x1))))))) 43.40/11.88 a(a(a(b(a(x1))))) -> a(a(b(b(a(a(b(x1))))))) 43.40/11.88 a(b(a(a(a(x1))))) -> b(a(a(b(b(a(a(x1))))))) 43.40/11.88 a(a(a(x1))) -> a(b(a(x1))) 43.40/11.88 a(b(a(x1))) -> b(b(b(x1))) 43.40/11.88 a(a(b(a(x1)))) -> a(b(b(a(b(x1))))) 43.40/11.88 a(b(a(a(x1)))) -> b(a(b(b(a(x1))))) 43.40/11.88 a(b(b(a(x1)))) -> b(b(b(b(b(x1))))) 43.40/11.88 a(a(b(b(a(x1))))) -> a(b(b(b(a(b(b(x1))))))) 43.40/11.88 a(b(a(b(a(x1))))) -> b(a(b(b(b(a(b(x1))))))) 43.40/11.88 a(b(b(a(a(x1))))) -> b(b(a(b(b(b(a(x1))))))) 43.40/11.88 a(b(b(b(a(x1))))) -> b(b(b(b(b(b(b(x1))))))) 43.40/11.88 a(a(x1)) -> b(x1) 43.40/11.88 Matrix Interpretation Processor: dim=3 43.40/11.88 43.40/11.88 max_matrix: 43.40/11.88 [1 1 0] 43.40/11.88 [0 0 1] 43.40/11.88 [0 0 0] 43.40/11.88 interpretation: 43.40/11.88 [1 1 0] 43.40/11.88 [b](x0) = [0 0 0]x0 43.40/11.88 [0 0 0] , 43.40/11.88 43.40/11.88 [1 1 0] [0] 43.40/11.88 [a](x0) = [0 0 1]x0 + [0] 43.40/11.88 [0 0 0] [1] 43.40/11.88 orientation: 43.40/11.88 [1 1 1] [1] [1 1 1] [0] 43.40/11.88 a(a(b(a(a(x1))))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [0] = a(b(a(b(a(b(a(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] [1] 43.40/11.88 43.40/11.88 [1 1 1] [2] [1 1 1] [1] 43.40/11.88 a(a(a(a(x1)))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [1] = a(a(b(a(a(x1))))) 43.40/11.88 [0 0 0] [1] [0 0 0] [1] 43.40/11.88 43.40/11.88 [1 1 1] [3] [1 1 1] [3] 43.40/11.88 a(a(a(a(a(x1))))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [1] = a(a(a(b(a(a(a(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] [1] 43.40/11.88 43.40/11.88 [1 1 1] [1] [1 1 0] [1] 43.40/11.88 a(a(a(b(a(x1))))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [1] = a(a(b(b(a(a(b(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] [1] 43.40/11.88 43.40/11.88 [1 1 1] [2] [1 1 1] [2] 43.40/11.88 a(b(a(a(a(x1))))) = [0 0 0]x1 + [0] >= [0 0 0]x1 + [0] = b(a(a(b(b(a(a(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] [0] 43.40/11.88 43.40/11.88 [1 1 1] [1] [1 1 1] [0] 43.40/11.88 a(a(a(x1))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [0] = a(b(a(x1))) 43.40/11.88 [0 0 0] [1] [0 0 0] [1] 43.40/11.88 43.40/11.88 [1 1 1] [0] [1 1 0] 43.40/11.88 a(b(a(x1))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(b(b(x1))) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 43.40/11.88 [1 1 1] [0] [1 1 0] [0] 43.40/11.88 a(a(b(a(x1)))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [0] = a(b(b(a(b(x1))))) 43.40/11.88 [0 0 0] [1] [0 0 0] [1] 43.40/11.88 43.40/11.88 [1 1 1] [1] [1 1 1] 43.40/11.88 a(b(a(a(x1)))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(a(b(b(a(x1))))) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 43.40/11.88 [1 1 1] [0] [1 1 0] 43.40/11.88 a(b(b(a(x1)))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(b(b(b(b(x1))))) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 43.40/11.88 [1 1 1] [0] [1 1 0] [0] 43.40/11.88 a(a(b(b(a(x1))))) = [0 0 0]x1 + [1] >= [0 0 0]x1 + [0] = a(b(b(b(a(b(b(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] [1] 43.40/11.88 43.40/11.88 [1 1 1] [0] [1 1 0] 43.40/11.88 a(b(a(b(a(x1))))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(a(b(b(b(a(b(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 43.40/11.88 [1 1 1] [1] [1 1 1] 43.40/11.88 a(b(b(a(a(x1))))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(b(a(b(b(b(a(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 43.40/11.88 [1 1 1] [0] [1 1 0] 43.40/11.88 a(b(b(b(a(x1))))) = [0 0 0]x1 + [0] >= [0 0 0]x1 = b(b(b(b(b(b(b(x1))))))) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 43.40/11.88 [1 1 1] [0] [1 1 0] 43.40/11.88 a(a(x1)) = [0 0 0]x1 + [1] >= [0 0 0]x1 = b(x1) 43.40/11.88 [0 0 0] [1] [0 0 0] 43.40/11.88 problem: 43.40/11.88 strict: 43.40/11.88 43.40/11.88 weak: 43.40/11.88 a(a(b(a(a(x1))))) -> a(b(a(b(a(b(a(x1))))))) 43.40/11.88 a(a(a(a(x1)))) -> a(a(b(a(a(x1))))) 43.40/11.88 a(a(a(a(a(x1))))) -> a(a(a(b(a(a(a(x1))))))) 43.40/11.88 a(a(a(b(a(x1))))) -> a(a(b(b(a(a(b(x1))))))) 43.40/11.88 a(b(a(a(a(x1))))) -> b(a(a(b(b(a(a(x1))))))) 43.40/11.88 a(a(a(x1))) -> a(b(a(x1))) 43.40/11.88 a(b(a(x1))) -> b(b(b(x1))) 43.40/11.88 a(a(b(a(x1)))) -> a(b(b(a(b(x1))))) 43.40/11.88 a(b(a(a(x1)))) -> b(a(b(b(a(x1))))) 43.40/11.88 a(b(b(a(x1)))) -> b(b(b(b(b(x1))))) 43.40/11.88 a(a(b(b(a(x1))))) -> a(b(b(b(a(b(b(x1))))))) 43.40/11.88 a(b(a(b(a(x1))))) -> b(a(b(b(b(a(b(x1))))))) 43.40/11.88 a(b(b(a(a(x1))))) -> b(b(a(b(b(b(a(x1))))))) 43.40/11.88 a(b(b(b(a(x1))))) -> b(b(b(b(b(b(b(x1))))))) 43.40/11.88 a(a(x1)) -> b(x1) 43.40/11.88 Qed 43.40/11.89 EOF