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-rw-r--r--theories/MSets/MSetAVL.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/MSets/MSetAVL.v b/theories/MSets/MSetAVL.v
index 5d17dd3f1..db6616b34 100644
--- a/theories/MSets/MSetAVL.v
+++ b/theories/MSets/MSetAVL.v
@@ -1767,7 +1767,7 @@ Lemma compare_more_Cmp : forall x1 cont x2 r2 e2 l,
Cmp (compare_more x1 cont (More x2 r2 e2)) (x1::l)
(flatten_e (More x2 r2 e2)).
Proof.
- simpl; intros; elim_compare x1 x2; simpl; auto.
+ simpl; intros; elim_compare x1 x2; simpl; red; auto.
Qed.
Lemma compare_cont_Cmp : forall s1 cont e2 l,