From 97fefe1fcca363a1317e066e7f4b99b9c1e9987b Mon Sep 17 00:00:00 2001
From: Stephane Glondu <steph@glondu.net>
Date: Thu, 12 Jan 2012 16:02:20 +0100
Subject: Imported Upstream version 8.4~beta

---
 plugins/setoid_ring/ZArithRing.v | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

(limited to 'plugins/setoid_ring/ZArithRing.v')

diff --git a/plugins/setoid_ring/ZArithRing.v b/plugins/setoid_ring/ZArithRing.v
index 362542b9..d3ed36ee 100644
--- a/plugins/setoid_ring/ZArithRing.v
+++ b/plugins/setoid_ring/ZArithRing.v
@@ -1,6 +1,6 @@
 (************************************************************************)
 (*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
-(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011     *)
+(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010     *)
 (*   \VV/  **************************************************************)
 (*    //   *      This file is distributed under the terms of the       *)
 (*         *       GNU Lesser General Public License Version 2.1        *)
@@ -27,11 +27,7 @@ Ltac isZpow_coef t :=
   | _ => constr:false
   end.
 
-Definition N_of_Z x :=
- match x with
- | Zpos p => Npos p
- | _ => N0
- end.
+Notation N_of_Z := Z.to_N (only parsing).
 
 Ltac Zpow_tac t :=
  match isZpow_coef t with
-- 
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