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authorGravatar Enrico Tassi <gareuselesinge@debian.org>2015-01-25 14:43:16 +0100
committerGravatar Enrico Tassi <gareuselesinge@debian.org>2015-01-25 14:43:16 +0100
commitf219abfed720305c13875c3c63f9240cf63f78bc (patch)
tree69d2c026916128fdb50b8d1c0dbf1be451340d30 /theories/FSets/FSetCompat.v
parent476d60ef0fe0ac015c1e902204cdd7029e10ef0f (diff)
parentcec4741afacd2e80894232850eaf9f9c0e45d6d7 (diff)
Merge tag 'upstream/8.5_beta1+dfsg'
Upstream version 8.5~beta1+dfsg
Diffstat (limited to 'theories/FSets/FSetCompat.v')
-rw-r--r--theories/FSets/FSetCompat.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/theories/FSets/FSetCompat.v b/theories/FSets/FSetCompat.v
index 6b3d86d3..b1769da3 100644
--- a/theories/FSets/FSetCompat.v
+++ b/theories/FSets/FSetCompat.v
@@ -283,6 +283,8 @@ Module Update_WSets
Lemma is_empty_spec : is_empty s = true <-> Empty s.
Proof. intros; symmetry; apply MF.is_empty_iff. Qed.
+
+ Declare Equivalent Keys In M.In.
Lemma add_spec : In y (add x s) <-> E.eq y x \/ In y s.
Proof. intros. rewrite MF.add_iff. intuition. Qed.