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Diffstat (limited to 'src/Util/Bool/Reflect.v')
| -rw-r--r-- | src/Util/Bool/Reflect.v | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Util/Bool/Reflect.v b/src/Util/Bool/Reflect.v index d9e93fe93..8a5333f0a 100644 --- a/src/Util/Bool/Reflect.v +++ b/src/Util/Bool/Reflect.v @@ -69,6 +69,7 @@ Ltac beq_to_eq beq bl lb := Existing Class reflect. Definition decb (P : Prop) {b : bool} {H : reflect P b} := b. Notation reflect_rel P b := (forall x y, reflect (P x y) (b x y)). +Definition decb_rel {A B} (P : A -> B -> Prop) {b : A -> B -> bool} {H : reflect_rel P b} := b. Lemma decb_true_iff P {b} {H : reflect P b} : @decb P b H = true <-> P. Proof. symmetry; apply reflect_iff, H. Qed. |