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