diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | mathcomp/ssreflect/eqtype.v | 2 |
2 files changed, 4 insertions, 1 deletions
@@ -14,6 +14,9 @@ * Removed duplicated definitions of `tag` `tagged` and `Tagged` from eqtype.v. They were already in ssrfun.v. + * Specialized `bool_irrelevance` so that the statement reflects + the name + 24/04/2018 - compatibility with Coq 8.8 and several small fixes - version 1.7 * Added compatibility with Coq 8.8 and lost compatibility with diff --git a/mathcomp/ssreflect/eqtype.v b/mathcomp/ssreflect/eqtype.v index 7c2a48e..f32d390 100644 --- a/mathcomp/ssreflect/eqtype.v +++ b/mathcomp/ssreflect/eqtype.v @@ -274,7 +274,7 @@ Canonical bool_eqType := Eval hnf in EqType bool bool_eqMixin. Lemma eqbE : eqb = eq_op. Proof. by []. Qed. -Lemma bool_irrelevance (x y : bool) (E E' : x = y) : E = E'. +Lemma bool_irrelevance (b : bool) (p1 p2 : b) : p1 = p2. Proof. exact: eq_irrelevance. Qed. Lemma negb_add b1 b2 : ~~ (b1 (+) b2) = (b1 == b2). |