TRS: { cond1(true(), x, y) -> cond2(gr(x, 0()), x, y), cond2(true(), x, y) -> cond1(gr(add(x, y), 0()), p(x), y), cond2(false(), x, y) -> cond3(gr(y, 0()), x, y), cond3(true(), x, y) -> cond1(gr(add(x, y), 0()), x, p(y)), cond3(false(), x, y) -> cond1(gr(add(x, y), 0()), x, y), gr(0(), x) -> false(), gr(s(x), 0()) -> true(), gr(s(x), s(y)) -> gr(x, y), add(0(), x) -> x, add(s(x), y) -> s(add(x, y)), p(0()) -> 0(), p(s(x)) -> x} Fail