TRS: { min(0(), y) -> 0(), min(x, 0()) -> 0(), min(s(x), s(y)) -> s(min(x, y)), max(0(), y) -> y, max(x, 0()) -> x, max(s(x), s(y)) -> s(max(x, y)), twice(0()) -> 0(), twice(s(x)) -> s(s(twice(x))), -(x, 0()) -> x, -(s(x), s(y)) -> -(x, y), p(s(x)) -> x, f(s(x), s(y)) -> f(-(max(s(x), s(y)), min(s(x), s(y))), p(twice(min(x, y))))} Fail