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/Classical_Prop.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/Classical_Prop.v')
| -rw-r--r-- | theories/Logic/Classical_Prop.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/Logic/Classical_Prop.v b/theories/Logic/Classical_Prop.v index 5d7764e7e..c48165c61 100644 --- a/theories/Logic/Classical_Prop.v +++ b/theories/Logic/Classical_Prop.v @@ -20,7 +20,7 @@ Axiom classic : forall P:Prop, P \/ ~ P. Lemma NNPP : forall p:Prop, ~ ~ p -> p. Proof. -unfold not in |- *; intros; elim (classic p); auto. +unfold not; intros; elim (classic p); auto. intro NP; elim (H NP). Qed. @@ -35,7 +35,7 @@ Qed. Lemma not_imply_elim : forall P Q:Prop, ~ (P -> Q) -> P. Proof. -intros; apply NNPP; red in |- *. +intros; apply NNPP; red. intro; apply H; intro; absurd P; trivial. Qed. @@ -68,7 +68,7 @@ Qed. Lemma or_not_and : forall P Q:Prop, ~ P \/ ~ Q -> ~ (P /\ Q). Proof. -simple induction 1; red in |- *; simple induction 2; auto. +simple induction 1; red; simple induction 2; auto. Qed. Lemma not_or_and : forall P Q:Prop, ~ (P \/ Q) -> ~ P /\ ~ Q. |