diff options
Diffstat (limited to 'theories/Sorting/Mergesort.v')
| -rw-r--r-- | theories/Sorting/Mergesort.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Sorting/Mergesort.v b/theories/Sorting/Mergesort.v index 7124cd53..301a2142 100644 --- a/theories/Sorting/Mergesort.v +++ b/theories/Sorting/Mergesort.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 *) @@ -131,7 +131,7 @@ Theorem Sorted_merge : forall l1 l2, Sorted l1 -> Sorted l2 -> Sorted (merge l1 l2). Proof. induction l1; induction l2; intros; simpl; auto. - destruct (a <=? a0) as ()_eqn:Heq1. + destruct (a <=? a0) eqn:Heq1. invert H. simpl. constructor; trivial; rewrite Heq1; constructor. assert (Sorted (merge (b::l) (a0::l2))) by (apply IHl1; auto). |