aboutsummaryrefslogtreecommitdiff
path: root/theories/Sorting
diff options
context:
space:
mode:
Diffstat (limited to 'theories/Sorting')
-rw-r--r--theories/Sorting/PermutEq.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/Sorting/PermutEq.v b/theories/Sorting/PermutEq.v
index 1e4673b641..e24380bffb 100644
--- a/theories/Sorting/PermutEq.v
+++ b/theories/Sorting/PermutEq.v
@@ -129,7 +129,7 @@ Lemma permut_nil :
forall l, permutation l nil -> l = nil.
Proof.
intro l; destruct l as [ | e l ]; trivial.
-assert (In e (e::l)) by red; auto.
+assert (In e (e::l)) by (red; auto).
intro Abs; generalize (permut_In_In _ Abs H).
inversion 1.
Qed.