diff options
Diffstat (limited to 'theories/MSets/MSetRBT.v')
| -rw-r--r-- | theories/MSets/MSetRBT.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/MSets/MSetRBT.v b/theories/MSets/MSetRBT.v index ed09030cb..b79afc616 100644 --- a/theories/MSets/MSetRBT.v +++ b/theories/MSets/MSetRBT.v @@ -979,7 +979,7 @@ Proof. { transitivity size; trivial. subst. auto with arith. } destruct acc1 as [|x acc1]. { exfalso. revert LE. apply Nat.lt_nge. subst. - rewrite <- app_nil_end, <- elements_cardinal; auto with arith. } + rewrite app_nil_r, <- elements_cardinal; auto with arith. } specialize (Hg acc1). destruct (g acc1) as (t2,acc2). destruct Hg as (Hg1,Hg2). |