TRS: { p(s(x)) -> x, fact(0()) -> s(0()), fact(s(x)) -> *(s(x), fact(p(s(x)))), *(0(), y) -> 0(), *(s(x), y) -> +(*(x, y), y), +(x, 0()) -> x, +(x, s(y)) -> s(+(x, y))} Fail