MAYBE
MAYBE
TRS:
 {
                  activate(X) -> X,
    activate(n__cons(X1, X2)) -> cons(X1, X2),
         activate(n__from(X)) -> from(X),
  2nd(cons(X, n__cons(Y, Z))) -> activate(Y),
                 cons(X1, X2) -> n__cons(X1, X2),
                      from(X) -> cons(X, n__from(s(X))),
                      from(X) -> n__from(X)
 }
 DUP: We consider a duplicating system.
  Trs:
   {
                    activate(X) -> X,
      activate(n__cons(X1, X2)) -> cons(X1, X2),
           activate(n__from(X)) -> from(X),
    2nd(cons(X, n__cons(Y, Z))) -> activate(Y),
                   cons(X1, X2) -> n__cons(X1, X2),
                        from(X) -> cons(X, n__from(s(X))),
                        from(X) -> n__from(X)
   }
  Fail