MAYBE Problem: f(g(a())) -> a() f(f(x)) -> b() g(x) -> f(g(x)) Proof: RT Transformation Processor: strict: f(g(a())) -> a() f(f(x)) -> b() g(x) -> f(g(x)) weak: Matrix Interpretation Processor: dimension: 1 interpretation: [b] = 0, [f](x0) = x0 + 24, [g](x0) = x0, [a] = 0 orientation: f(g(a())) = 24 >= 0 = a() f(f(x)) = x + 48 >= 0 = b() g(x) = x >= x + 24 = f(g(x)) problem: strict: g(x) -> f(g(x)) weak: f(g(a())) -> a() f(f(x)) -> b() Open