YES TRS: h(f(x),y) -> f(g(x,y)) g(x,y) -> h(x,y) linear polynomial interpretations on N: h_A(x1,x2) = x1 + 1 h#_A(x1,x2) = x1 + x2 f_A(x1) = x1 + 2 f#_A(x1) = 0 g_A(x1,x2) = x1 + 1 g#_A(x1,x2) = x1 + x2 + 1 precedence: h = f > g