diff options
| -rwxr-xr-x | theories/Bool/Bool.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Bool/Bool.v b/theories/Bool/Bool.v index 3c82fd8e9..57c10f256 100755 --- a/theories/Bool/Bool.v +++ b/theories/Bool/Bool.v @@ -261,7 +261,7 @@ Trivial with bool. Save. Lemma orb_true_elim : (b1,b2:bool)(orb b1 b2)=true -> {b1=true}+{b2=true}. -NewDestruct b1; [Auto with bool | NewDestruct b2; Auto with bool]. +NewDestruct b1; Simpl; Auto with bool. Save. Lemma orb_false_intro : (b1,b2:bool)(b1=false)->(b2=false)->(orb b1 b2)=false. @@ -371,7 +371,7 @@ Save. Lemma andb_false_elim : (b1,b2:bool)(andb b1 b2)=false -> {b1=false}+{b2=false}. -NewDestruct b1; NewDestruct b2; Simpl; Auto with bool. +NewDestruct b1; Simpl; Auto with bool. Save. Hints Resolve andb_false_elim : bool v62. |