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authorGravatar letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7>2011-06-24 15:50:06 +0000
committerGravatar letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7>2011-06-24 15:50:06 +0000
commit81c4c8bc418cdf42cc88249952dbba465068202c (patch)
tree0151cc0964c9874722f237721b800076d08cef37 /theories/ZArith/Zquot.v
parent51c26ecf70212e6ec4130c41af9144058cd27d12 (diff)
Numbers: change definition of divide (compat with Znumtheory)
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14237 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/ZArith/Zquot.v')
-rw-r--r--theories/ZArith/Zquot.v3
1 files changed, 2 insertions, 1 deletions
diff --git a/theories/ZArith/Zquot.v b/theories/ZArith/Zquot.v
index b8b780831..6b6ad7423 100644
--- a/theories/ZArith/Zquot.v
+++ b/theories/ZArith/Zquot.v
@@ -462,7 +462,8 @@ Lemma Zrem_divides : forall a b,
Zrem a b = 0 <-> exists c, a = b*c.
Proof.
intros. zero_or_not b. firstorder.
- rewrite Z.rem_divide; trivial. split; intros (c,Hc); exists c; auto.
+ rewrite Z.rem_divide; trivial.
+ split; intros (c,Hc); exists c; subst; auto with zarith.
Qed.
(** Particular case : dividing by 2 is related with parity *)