MAYBE
MAYBE
TRS:
 {
                        app(app(map(), f), nil()) -> nil(),
      app(app(map(), f), app(app(cons(), x), xs)) ->
  app(app(cons(), app(f, x)), app(app(map(), f), xs)),
  app(app(treemap(), f), app(app(node(), x), xs)) ->
  app(app(node(), app(f, x)), app(app(map(), app(treemap(), f)), xs))
 }
 DUP: We consider a duplicating system.
  Trs:
   {
                          app(app(map(), f), nil()) -> nil(),
        app(app(map(), f), app(app(cons(), x), xs)) ->
    app(app(cons(), app(f, x)), app(app(map(), f), xs)),
    app(app(treemap(), f), app(app(node(), x), xs)) ->
    app(app(node(), app(f, x)), app(app(map(), app(treemap(), f)), xs))
   }
  Fail