(**********************************************************)
(** *    Injection from N to R                            *)
(**********************************************************)

(**********)
Fixpoint INR (n:nat) : R :=
  match n with
  | O => 0
  | S O => 1
  | S n => INR n + 1
  end.

Lemma Rrepr_IZR : forall n : Z, CRealEq (Rrepr (IZR n)) (inject_Z n).