YES TRS: a__f(X) -> g(h(f(X))) mark(f(X)) -> a__f(mark(X)) mark(g(X)) -> g(X) mark(h(X)) -> h(mark(X)) a__f(X) -> f(X) max/plus interpretations on N: a__f_A(x1) = max{0, x1} a__f#_A(x1) = max{0, x1} g_A(x1) = max{0, x1} g#_A(x1) = max{0, x1} h_A(x1) = max{0, x1} h#_A(x1) = max{0, x1} f_A(x1) = max{0, x1} f#_A(x1) = max{0, x1} mark_A(x1) = max{0, x1} mark#_A(x1) = max{0, x1} precedence: mark > a__f > g = h = f