diff options
Diffstat (limited to 'theories/Logic/Decidable.v')
| -rw-r--r-- | theories/Logic/Decidable.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/Logic/Decidable.v b/theories/Logic/Decidable.v index 2ba7253c..8b6054f9 100644 --- a/theories/Logic/Decidable.v +++ b/theories/Logic/Decidable.v @@ -50,7 +50,7 @@ Qed. Theorem dec_iff : forall A B:Prop, decidable A -> decidable B -> decidable (A<->B). Proof. -unfold decidable; tauto. +unfold decidable. tauto. Qed. Theorem not_not : forall P:Prop, decidable P -> ~ ~ P -> P. |