diff options
Diffstat (limited to 'theories/Wellfounded/Disjoint_Union.v')
| -rw-r--r-- | theories/Wellfounded/Disjoint_Union.v | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/theories/Wellfounded/Disjoint_Union.v b/theories/Wellfounded/Disjoint_Union.v index ccfef1e6..8f5c0957 100644 --- a/theories/Wellfounded/Disjoint_Union.v +++ b/theories/Wellfounded/Disjoint_Union.v @@ -1,13 +1,11 @@ (************************************************************************) (* 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 1999-2012 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(*i $Id: Disjoint_Union.v 14641 2011-11-06 11:59:10Z herbelin $ i*) - (** Author: Cristina Cornes From : Constructing Recursion Operators in Type Theory L. Paulson JSC (1986) 2, 325-355 *) @@ -43,7 +41,7 @@ Section Wf_Disjoint_Union. well_founded leA -> well_founded leB -> well_founded Le_AsB. Proof. intros. - unfold well_founded in |- *. + unfold well_founded. destruct a as [a| b]. apply (acc_A_sum a). apply (H a). |