YES TRS: f(g(x)) -> g(g(f(x))) f(g(x)) -> g(g(g(x))) max/plus interpretations on N: f_A(x1) = max{4, -4} f#_A(x1) = max{6, -1} g_A(x1) = max{4, -3} g#_A(x1) = max{0, 1 + x1} precedence: f > g