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authorGravatar Benjamin Barenblat <bbaren@debian.org>2019-02-02 19:29:23 -0500
committerGravatar Benjamin Barenblat <bbaren@debian.org>2019-02-02 19:29:23 -0500
commit9ebf44d84754adc5b64fcf612c6816c02c80462d (patch)
treebf5e06a28488e0e06a2f2011ff0d110e2e02f8fc /theories/Bool/Bool.v
parent9043add656177eeac1491a73d2f3ab92bec0013c (diff)
Imported Upstream version 8.9.0upstream/8.9.0upstream
Diffstat (limited to 'theories/Bool/Bool.v')
-rw-r--r--theories/Bool/Bool.v7
1 files changed, 7 insertions, 0 deletions
diff --git a/theories/Bool/Bool.v b/theories/Bool/Bool.v
index edf78ed5..66a82008 100644
--- a/theories/Bool/Bool.v
+++ b/theories/Bool/Bool.v
@@ -814,3 +814,10 @@ Defined.
(** Reciprocally, from a decidability, we could state a
[reflect] as soon as we have a [bool_of_sumbool]. *)
+
+(** For instance, we could state the correctness of [Bool.eqb] via [reflect]: *)
+
+Lemma eqb_spec (b b' : bool) : reflect (b = b') (eqb b b').
+Proof.
+ destruct b, b'; now constructor.
+Qed.