diff options
Diffstat (limited to 'abstract/formula.ml')
| -rw-r--r-- | abstract/formula.ml | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/abstract/formula.ml b/abstract/formula.ml index 01f6655..9c0ff71 100644 --- a/abstract/formula.ml +++ b/abstract/formula.ml @@ -51,7 +51,8 @@ type bool_expr = | BNot of bool_expr let f_and a b = match a, b with - | BConst false, _ | _, BConst false -> BConst false + | BConst false, _ | _, BConst false + | BNot (BConst true), _ | _, BNot (BConst true) -> BConst false | BConst true, b -> b | a, BConst true -> a | a, b -> BAnd(a, b) |