TRS: { plus(0(), x) -> x, plus(s(x), y) -> s(plus(p(s(x)), y)), times(0(), y) -> 0(), times(s(x), y) -> plus(y, times(p(s(x)), y)), exp(x, 0()) -> s(0()), exp(x, s(y)) -> times(x, exp(x, y)), p(s(0())) -> 0(), p(s(s(x))) -> s(p(s(x))), tower(x, y) -> towerIter(x, y, s(0())), towerIter(0(), y, z) -> z, towerIter(s(x), y, z) -> towerIter(p(s(x)), y, exp(y, z))} Fail