diff options
| author |  letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-04-17 16:29:49 +0000 |
|---|---|---|
| committer | letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-04-17 16:29:49 +0000 |
| commit | bc69d8fe0d3585036b1de6d4b43ad80fe49af028 (patch) | |
| tree | fdeb6bab85d5f68977da8ce0aae4dc23a6de031c /theories/Bool | |
| parent | cde0f764b75f25526005d078e17a5ef5d52301f1 (diff) | |
Prevent the apparition of &&& when printing a (if ... then ... else false)
and idem for |||, thanks to a specific scope lazy_bool_scope.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10811 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Bool')
| -rw-r--r-- | theories/Bool/Bool.v | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/theories/Bool/Bool.v b/theories/Bool/Bool.v index 9db151e32..bae2e14ab 100644 --- a/theories/Bool/Bool.v +++ b/theories/Bool/Bool.v @@ -706,9 +706,11 @@ Qed. (*****************************************) Notation "a &&& b" := (if a then b else false) - (at level 40, left associativity) : bool_scope. + (at level 40, left associativity) : lazy_bool_scope. Notation "a ||| b" := (if a then true else b) - (at level 50, left associativity) : bool_scope. + (at level 50, left associativity) : lazy_bool_scope. + +Open Local Scope lazy_bool_scope. Lemma andb_lazy_alt : forall a b : bool, a && b = a &&& b. Proof. |