YES TRS: app(app(app(compose(),f),g),x) -> app(f,app(g,x)) linear polynomial interpretations on N: app_A(x1,x2) = x1 + x2 + 1 app#_A(x1,x2) = x1 + x2 + 1 compose_A = 0 compose#_A = 0 precedence: app = compose