From a0cfa4f118023d35b767a999d5a2ac4b082857b4 Mon Sep 17 00:00:00 2001 From: Samuel Mimram Date: Fri, 25 Jul 2008 15:12:53 +0200 Subject: Imported Upstream version 8.2~beta3+dfsg --- test-suite/bugs/opened/shouldnotfail/1811.v | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 test-suite/bugs/opened/shouldnotfail/1811.v (limited to 'test-suite/bugs/opened/shouldnotfail/1811.v') diff --git a/test-suite/bugs/opened/shouldnotfail/1811.v b/test-suite/bugs/opened/shouldnotfail/1811.v new file mode 100644 index 00000000..037b7cb2 --- /dev/null +++ b/test-suite/bugs/opened/shouldnotfail/1811.v @@ -0,0 +1,9 @@ +Require Export Bool. + +Lemma neg2xor : forall b, xorb true b = negb b. +Proof. auto. Qed. + +Goal forall b1 b2, (negb b1 = b2) -> xorb true b1 = b2. +Proof. + intros b1 b2. + rewrite neg2xor. \ No newline at end of file -- cgit v1.2.3