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| author |  Stephane Glondu <steph@glondu.net> | 2010-07-21 09:46:51 +0200 |
|---|---|---|
| committer | Stephane Glondu <steph@glondu.net> | 2010-07-21 09:46:51 +0200 |
| commit | 5b7eafd0f00a16d78f99a27f5c7d5a0de77dc7e6 (patch) | |
| tree | 631ad791a7685edafeb1fb2e8faeedc8379318ae /test-suite/bugs/closed/shouldsucceed/2145.v | |
| parent | da178a880e3ace820b41d38b191d3785b82991f5 (diff) | |
Imported Upstream snapshot 8.3~beta0+13298
Diffstat (limited to 'test-suite/bugs/closed/shouldsucceed/2145.v')
| -rw-r--r-- | test-suite/bugs/closed/shouldsucceed/2145.v | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/shouldsucceed/2145.v b/test-suite/bugs/closed/shouldsucceed/2145.v new file mode 100644 index 00000000..b6c5da65 --- /dev/null +++ b/test-suite/bugs/closed/shouldsucceed/2145.v @@ -0,0 +1,20 @@ +(* Test robustness of Groebner tactic in presence of disequalities *) + +Require Export Reals. +Require Export NsatzR. + +Open Scope R_scope. + +Lemma essai : + forall yb xb m1 m2 xa ya, + xa <> xb -> + yb - 2 * m2 * xb = ya - m2 * xa -> + yb - m1 * xb = ya - m1 * xa -> + yb - ya = (2 * xb - xa) * m2 -> + yb - ya = (xb - xa) * m1. +Proof. +intros. +(* clear H. groebner used not to work when H was not cleared *) +nsatzR. +Qed. + |