diff options
| author |  letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2012-07-05 16:56:37 +0000 |
|---|---|---|
| committer | letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2012-07-05 16:56:37 +0000 |
| commit | ffb64d16132dd80f72ecb619ef87e3eee1fa8bda (patch) | |
| tree | 5368562b42af1aeef7e19b4bd897c9fc5655769b /theories/Logic/Diaconescu.v | |
| parent | a46ccd71539257bb55dcddd9ae8510856a5c9a16 (diff) | |
Kills the useless tactic annotations "in |- *"
Most of these heavyweight annotations were introduced a long time ago
by the automatic 7.x -> 8.0 translator
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15518 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Logic/Diaconescu.v')
| -rw-r--r-- | theories/Logic/Diaconescu.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/Logic/Diaconescu.v b/theories/Logic/Diaconescu.v index e8e8b94ce..b5e7b2c41 100644 --- a/theories/Logic/Diaconescu.v +++ b/theories/Logic/Diaconescu.v @@ -61,7 +61,7 @@ Variable pred_extensionality : PredicateExtensionality. Lemma prop_ext : forall A B:Prop, (A <-> B) -> A = B. Proof. intros A B H. - change ((fun _ => A) true = (fun _ => B) true) in |- *. + change ((fun _ => A) true = (fun _ => B) true). rewrite pred_extensionality with (P := fun _:bool => A) (Q := fun _:bool => B). reflexivity. @@ -134,8 +134,8 @@ right. intro HP. assert (Hequiv : forall b:bool, class_of_true b <-> class_of_false b). intro b; split. -unfold class_of_false in |- *; right; assumption. -unfold class_of_true in |- *; right; assumption. +unfold class_of_false; right; assumption. +unfold class_of_true; right; assumption. assert (Heq : class_of_true = class_of_false). apply pred_extensionality with (1 := Hequiv). apply diff_true_false. |