YES Problem: g(0()) -> 0() g(s(x)) -> f(g(x)) f(0()) -> 0() Proof: Matrix Interpretation Processor: dim=3 interpretation: [1 0 1] [f](x0) = [0 1 0]x0 [0 0 1] , [1 1 0] [0] [s](x0) = [0 1 0]x0 + [0] [0 0 1] [1], [1 0 1] [g](x0) = [0 0 1]x0 [0 1 0] , [0] [0] = [1] [1] orientation: [1] [0] g(0()) = [1] >= [1] = 0() [1] [1] [1 1 1] [1] [1 1 1] g(s(x)) = [0 0 1]x + [1] >= [0 0 1]x = f(g(x)) [0 1 0] [0] [0 1 0] [1] [0] f(0()) = [1] >= [1] = 0() [1] [1] problem: Qed