MAYBE MAYBE TRS: { quot(x, 0(), s(z)) -> s(quot(x, s(z), s(z))), quot(0(), s(y), s(z)) -> 0(), quot(s(x), s(y), z) -> quot(x, y, z) } DUP: We consider a duplicating system. Trs: { quot(x, 0(), s(z)) -> s(quot(x, s(z), s(z))), quot(0(), s(y), s(z)) -> 0(), quot(s(x), s(y), z) -> quot(x, y, z) } Fail