MAYBE
MAYBE
TRS:
 {
        min(x, 0()) -> 0(),
        min(0(), y) -> 0(),
    min(s(x), s(y)) -> s(min(x, y)),
        max(x, 0()) -> x,
        max(0(), y) -> y,
    max(s(x), s(y)) -> s(max(x, y)),
      minus(x, 0()) -> x,
  minus(s(x), s(y)) -> s(minus(x, any(y))),
             any(x) -> x,
          any(s(x)) -> s(s(any(x))),
    gcd(s(x), s(y)) -> gcd(minus(max(x, y), min(x, y)), s(min(x, y)))
 }
 DUP: We consider a duplicating system.
  Trs:
   {
          min(x, 0()) -> 0(),
          min(0(), y) -> 0(),
      min(s(x), s(y)) -> s(min(x, y)),
          max(x, 0()) -> x,
          max(0(), y) -> y,
      max(s(x), s(y)) -> s(max(x, y)),
        minus(x, 0()) -> x,
    minus(s(x), s(y)) -> s(minus(x, any(y))),
               any(x) -> x,
            any(s(x)) -> s(s(any(x))),
      gcd(s(x), s(y)) -> gcd(minus(max(x, y), min(x, y)), s(min(x, y)))
   }
  Fail