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authorGravatar Enrico Tassi <gareuselesinge@debian.org>2016-12-27 16:53:30 +0100
committerGravatar Enrico Tassi <gareuselesinge@debian.org>2016-12-27 18:33:25 +0100
commit1b92c226e563643da187b8614d5888dc4855eb43 (patch)
treec4c3d204b36468b58cb71050ba95f06b8dd7bc2e /theories/MSets/MSetAVL.v
parent7c9b0a702976078b813e6493c1284af62a3f093c (diff)
Imported Upstream version 8.6
Diffstat (limited to 'theories/MSets/MSetAVL.v')
-rw-r--r--theories/MSets/MSetAVL.v1
1 files changed, 1 insertions, 0 deletions
diff --git a/theories/MSets/MSetAVL.v b/theories/MSets/MSetAVL.v
index cc023cc3..a3c265a2 100644
--- a/theories/MSets/MSetAVL.v
+++ b/theories/MSets/MSetAVL.v
@@ -417,6 +417,7 @@ Local Open Scope Int_scope.
Let's do its job by hand: *)
Ltac join_tac :=
+ let l := fresh "l" in
intro l; induction l as [| lh ll _ lx lr Hlr];
[ | intros x r; induction r as [| rh rl Hrl rx rr _]; unfold join;
[ | destruct ((rh+2) <? lh) eqn:LT;