diff options
Diffstat (limited to 'plugins/ring/LegacyArithRing.v')
-rw-r--r-- | plugins/ring/LegacyArithRing.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/plugins/ring/LegacyArithRing.v b/plugins/ring/LegacyArithRing.v index fd5bcd93..089dec02 100644 --- a/plugins/ring/LegacyArithRing.v +++ b/plugins/ring/LegacyArithRing.v @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -13,7 +13,7 @@ Require Export LegacyRing. Require Export Arith. Require Import Eqdep_dec. -Open Local Scope nat_scope. +Local Open Scope nat_scope. Fixpoint nateq (n m:nat) {struct m} : bool := match n, m with @@ -75,14 +75,14 @@ Ltac rewrite_S_to_plus := (**) (**) rewrite_S_to_plus_term X1 with t2 := rewrite_S_to_plus_term X2 in - change (t1 = t2) in |- * + change (t1 = t2) | |- (?X1 = ?X2) => try let t1 := (**) (**) rewrite_S_to_plus_term X1 with t2 := rewrite_S_to_plus_term X2 in - change (t1 = t2) in |- * + change (t1 = t2) end. Ltac ring_nat := rewrite_S_to_plus; ring. |