diff options
Diffstat (limited to 'theories/Sorting/PermutSetoid.v')
| -rw-r--r-- | theories/Sorting/PermutSetoid.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/Sorting/PermutSetoid.v b/theories/Sorting/PermutSetoid.v index 6f0d76a62..b2b15c705 100644 --- a/theories/Sorting/PermutSetoid.v +++ b/theories/Sorting/PermutSetoid.v @@ -71,7 +71,7 @@ Qed. Lemma permut_sym : forall l1 l2 : list A, permutation l1 l2 -> permutation l2 l1. Proof. - unfold permutation, meq; intros; apply sym_eq; trivial. + unfold permutation, meq; intros; symmetry; trivial. Qed. Lemma permut_trans : |