diff options
Diffstat (limited to 'theories/Bool/Sumbool.v')
| -rw-r--r-- | theories/Bool/Sumbool.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/theories/Bool/Sumbool.v b/theories/Bool/Sumbool.v index 03aa8baeb..06ab77cfb 100644 --- a/theories/Bool/Sumbool.v +++ b/theories/Bool/Sumbool.v @@ -39,18 +39,18 @@ Defined. Section connectives. Variables A B C D : Prop. - + Hypothesis H1 : {A} + {B}. Hypothesis H2 : {C} + {D}. - + Definition sumbool_and : {A /\ C} + {B \/ D}. case H1; case H2; auto. Defined. - + Definition sumbool_or : {A \/ C} + {B /\ D}. case H1; case H2; auto. Defined. - + Definition sumbool_not : {B} + {A}. case H1; auto. Defined. |