MAYBE
MAYBE
TRS:
 {
  cond(false(), x, y) -> 0(),
   cond(true(), x, y) -> s(minus(x, s(y))),
           gt(0(), v) -> false(),
        gt(s(u), 0()) -> true(),
       gt(s(u), s(v)) -> gt(u, v),
          minus(x, y) -> cond(gt(x, y), x, y)
 }
 DUP: We consider a duplicating system.
  Trs:
   {
    cond(false(), x, y) -> 0(),
     cond(true(), x, y) -> s(minus(x, s(y))),
             gt(0(), v) -> false(),
          gt(s(u), 0()) -> true(),
         gt(s(u), s(v)) -> gt(u, v),
            minus(x, y) -> cond(gt(x, y), x, y)
   }
  Fail