YES Time: 0.000613 TRS: { g h2(x, y, h1(z, u)) -> h2(s x, y, h1(z, u)), f(x, h1(y, z)) -> h2(0(), x, h1(y, z)), f(j(x, y), y) -> g f(x, k y), k h1(x, y) -> h1(s x, y), k h x -> h1(0(), x), 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} RUF: Strict: {g h2(x, y, h1(z, u)) -> h2(s x, y, h1(z, u)), f(x, h1(y, z)) -> h2(0(), x, h1(y, z)), k h1(x, y) -> h1(s x, y)} Weak: {} RUF: Strict: {} Weak: {} Qed