TRS: { cond1(true(), x, y) -> cond2(gr(x, y), x, y), cond2(true(), x, y) -> cond3(gr(x, 0()), x, y), cond2(false(), x, y) -> cond4(gr(y, 0()), x, y), cond3(true(), x, y) -> cond3(gr(x, 0()), p(x), y), cond3(false(), x, y) -> cond1(and(gr(x, 0()), gr(y, 0())), x, y), cond4(true(), x, y) -> cond4(gr(y, 0()), x, p(y)), cond4(false(), x, y) -> cond1(and(gr(x, 0()), gr(y, 0())), x, y), gr(0(), x) -> false(), gr(s(x), 0()) -> true(), gr(s(x), s(y)) -> gr(x, y), and(true(), true()) -> true(), and(false(), x) -> false(), and(x, false()) -> false(), p(0()) -> 0(), p(s(x)) -> x} Fail