MAYBE Problem: f(0(x1)) -> s(0(x1)) d(0(x1)) -> 0(x1) d(s(x1)) -> s(s(d(x1))) f(s(x1)) -> d(f(x1)) Proof: RT Transformation Processor: strict: f(0(x1)) -> s(0(x1)) d(0(x1)) -> 0(x1) d(s(x1)) -> s(s(d(x1))) f(s(x1)) -> d(f(x1)) weak: Matrix Interpretation Processor: dimension: 1 interpretation: [d](x0) = x0 + 15, [s](x0) = x0 + 24, [f](x0) = x0 + 17, [0](x0) = x0 orientation: f(0(x1)) = x1 + 17 >= x1 + 24 = s(0(x1)) d(0(x1)) = x1 + 15 >= x1 = 0(x1) d(s(x1)) = x1 + 39 >= x1 + 63 = s(s(d(x1))) f(s(x1)) = x1 + 41 >= x1 + 32 = d(f(x1)) problem: strict: f(0(x1)) -> s(0(x1)) d(s(x1)) -> s(s(d(x1))) weak: d(0(x1)) -> 0(x1) f(s(x1)) -> d(f(x1)) Matrix Interpretation Processor: dimension: 1 interpretation: [d](x0) = x0, [s](x0) = x0 + 4, [f](x0) = x0 + 8, [0](x0) = x0 + 3 orientation: f(0(x1)) = x1 + 11 >= x1 + 7 = s(0(x1)) d(s(x1)) = x1 + 4 >= x1 + 8 = s(s(d(x1))) d(0(x1)) = x1 + 3 >= x1 + 3 = 0(x1) f(s(x1)) = x1 + 12 >= x1 + 8 = d(f(x1)) problem: strict: d(s(x1)) -> s(s(d(x1))) weak: f(0(x1)) -> s(0(x1)) d(0(x1)) -> 0(x1) f(s(x1)) -> d(f(x1)) Open