TRS: { plus(x, 0()) -> x, plus(x, s(y)) -> s(plus(x, y)), times(0(), y) -> 0(), times(x, 0()) -> 0(), times(s(x), y) -> plus(times(x, y), y), p(s(s(x))) -> s(p(s(x))), p(s(0())) -> 0(), fac(s(x)) -> times(fac(p(s(x))), s(x))} Fail