diff options
Diffstat (limited to 'theories/Bool')
| -rw-r--r-- | theories/Bool/Bool.v | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/theories/Bool/Bool.v b/theories/Bool/Bool.v index a947e4fdf..c0b3c5eec 100644 --- a/theories/Bool/Bool.v +++ b/theories/Bool/Bool.v @@ -458,16 +458,22 @@ Notation demorgan4 := orb_andb_distrib_l (only parsing). (** Absorption *) -Lemma absoption_andb : forall b1 b2:bool, b1 && (b1 || b2) = b1. +Lemma absorption_andb : forall b1 b2:bool, b1 && (b1 || b2) = b1. Proof. destr_bool. Qed. -Lemma absoption_orb : forall b1 b2:bool, b1 || b1 && b2 = b1. +Lemma absorption_orb : forall b1 b2:bool, b1 || b1 && b2 = b1. Proof. destr_bool. Qed. +(* begin hide *) +(* Compatibility *) +Notation absoption_andb := absorption_andb (only parsing). +Notation absoption_orb := absorption_orb (only parsing). +(* end hide *) + (*********************************) (** * Properties of [xorb] *) (*********************************) |