diff options
| author |  Samuel Mimram <smimram@debian.org> | 2008-07-25 15:12:53 +0200 |
|---|---|---|
| committer | Samuel Mimram <smimram@debian.org> | 2008-07-25 15:12:53 +0200 |
| commit | a0cfa4f118023d35b767a999d5a2ac4b082857b4 (patch) | |
| tree | dabcac548e299fee1da464c93b3dba98484f45b1 /test-suite/bugs/opened/shouldnotfail/1811.v | |
| parent | 2281410e38ef99d025ea77194585a9bc019fdaa9 (diff) | |
Imported Upstream version 8.2~beta3+dfsgupstream/8.2.beta3+dfsg
Diffstat (limited to 'test-suite/bugs/opened/shouldnotfail/1811.v')
| -rw-r--r-- | test-suite/bugs/opened/shouldnotfail/1811.v | 9 |
1 files changed, 9 insertions, 0 deletions
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.
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