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(*         *      The Rocq Prover / The Rocq Development Team           *)
(*  v      *         Copyright INRIA, CNRS and contributors             *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
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(*         *     GNU Lesser General Public License Version 2.1          *)
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Require Export QArith_base.
(** Injection of rational numbers into real numbers. *)

Lemma IZR_nz : forall p : positive, IZR (Zpos p) <> 0%R.
#[global]
Hint Resolve IZR_nz Rmult_integral_contrapositive : core.