MAYBE Problem: f(g(X)) -> g(f(f(X))) f(h(X)) -> h(g(X)) Proof: RT Transformation Processor: strict: f(g(X)) -> g(f(f(X))) f(h(X)) -> h(g(X)) weak: Matrix Interpretation Processor: dimension: 1 interpretation: [h](x0) = x0 + 3, [f](x0) = x0 + 4, [g](x0) = x0 + 1 orientation: f(g(X)) = X + 5 >= X + 9 = g(f(f(X))) f(h(X)) = X + 7 >= X + 4 = h(g(X)) problem: strict: f(g(X)) -> g(f(f(X))) weak: f(h(X)) -> h(g(X)) Open