YES TRS: f(g(X)) -> g(f(f(X))) f(h(X)) -> h(g(X)) linear polynomial interpretations on N: f_A(x1) = x1 f#_A(x1) = x1 g_A(x1) = x1 + 2 g#_A(x1) = 1 h_A(x1) = 3 h#_A(x1) = 2 precedence: f > h > g