YES TRS: f(j(x,y),y) -> g(f(x,k(y))) f(x,h1(y,z)) -> h2(0(),x,h1(y,z)) g(h2(x,y,h1(z,u))) -> h2(s(x),y,h1(z,u)) h2(x,j(y,h1(z,u)),h1(z,u)) -> h2(s(x),y,h1(s(z),u)) i(f(x,h(y))) -> y i(h2(s(x),y,h1(x,z))) -> z k(h(x)) -> h1(0(),x) k(h1(x,y)) -> h1(s(x),y) linear polynomial interpretations on N: f_A(x1,x2) = x1 + x2 + 2 f#_A(x1,x2) = x1 + x2 + 2 j_A(x1,x2) = x1 + x2 + 5 j#_A(x1,x2) = x1 + x2 + 5 g_A(x1) = x1 + 1 g#_A(x1) = x1 + 1 k_A(x1) = x1 + 1 k#_A(x1) = x1 + 1 h1_A(x1,x2) = x1 + x2 + 1 h1#_A(x1,x2) = x1 + x2 + 1 h2_A(x1,x2,x3) = x1 + x2 + x3 + 1 h2#_A(x1,x2,x3) = x1 + x2 + x3 + 1 0_A = 0 0#_A = 0 s_A(x1) = x1 s#_A(x1) = x1 i_A(x1) = x1 i#_A(x1) = x1 h_A(x1) = x1 + 2 h#_A(x1) = x1 + 2 precedence: j > f > h2 > g = k = h > h1 = i > 0 = s