YES TRS: g(s(x)) -> f(x) f(0()) -> s(0()) f(s(x)) -> s(s(g(x))) g(0()) -> 0() max/plus interpretations on N: g_A(x1) = max{3, 1 + x1} g#_A(x1) = max{0, 5} s_A(x1) = max{1, -4 + x1} s#_A(x1) = max{4, 3} f_A(x1) = max{3, -3 + x1} f#_A(x1) = max{5, 2} 0_A = 8 0#_A = 1 precedence: g = f > s = 0