diff options
| author |  herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-03-06 08:22:58 +0000 |
|---|---|---|
| committer | herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2008-03-06 08:22:58 +0000 |
| commit | 90069c14ff393c33efdf7477bda096f5ba684bc1 (patch) | |
| tree | 2b3fbdca10f262a20316135b3484e979fe6cdfe1 /test-suite/success/unification.v | |
| parent | 6911995ddd9d3b54d1c627b0000b65dad02cfce1 (diff) | |
Correction d'un bug "ancestral": apply ne savait pas unifier ?n=?n
dans certains cas. Branchement au passage de w_unify vers evar_conv et
solve_simple_eqn en cas d'équations entre Evars.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10623 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'test-suite/success/unification.v')
| -rw-r--r-- | test-suite/success/unification.v | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test-suite/success/unification.v b/test-suite/success/unification.v index 6a4d92851..e31d67d8c 100644 --- a/test-suite/success/unification.v +++ b/test-suite/success/unification.v @@ -96,3 +96,16 @@ Goal (forall x, 0 * x = 0 -> True) -> True. intros; eapply H. rewrite <- plus_n_Sm. (* should refine ?x with S ?x' *) Abort. + +(* Check handling of identity equation between evars *) +(* The example failed to pass until revision 10623 *) + +Lemma l6 : + (forall y, (forall x, (forall z, y = 0 -> y + z = 0) -> y + x = 0) -> True) + -> True. +intros. +eapply H. +intros. +apply H0. (* Check that equation ?n[H] = ?n[H] is correctly considered true *) +reflexivity. +Qed. |