MAYBE
MAYBE
TRS:
 {
        minus(x, x) -> 0(),
      minus(x, 0()) -> x,
      minus(0(), x) -> 0(),
  minus(s(x), s(y)) -> minus(x, y),
     div(0(), s(y)) -> 0(),
    div(s(x), s(y)) -> s(div(minus(x, y), s(y))),
       f(x, 0(), b) -> x,
      f(x, s(y), b) -> div(f(x, minus(s(y), s(0())), b), b)
 }
 DUP: We consider a duplicating system.
  Trs:
   {
          minus(x, x) -> 0(),
        minus(x, 0()) -> x,
        minus(0(), x) -> 0(),
    minus(s(x), s(y)) -> minus(x, y),
       div(0(), s(y)) -> 0(),
      div(s(x), s(y)) -> s(div(minus(x, y), s(y))),
         f(x, 0(), b) -> x,
        f(x, s(y), b) -> div(f(x, minus(s(y), s(0())), b), b)
   }
  Fail