aboutsummaryrefslogtreecommitdiff
path: root/theories/Numbers/Integer/Abstract/ZTimes.v
diff options
context:
space:
mode:
authoremakarov2007-10-23 11:09:40 +0000
committeremakarov2007-10-23 11:09:40 +0000
commit699c507995fb9ede2eb752a01f90cf6d8caad4de (patch)
tree69c9239bb8b5e8e2ecc7b10ba921d51f729dabb8 /theories/Numbers/Integer/Abstract/ZTimes.v
parentd672ce42ecd1fd6845f1c9ea178f5d9fd05afb2c (diff)
Added Numbers/Natural/Abstract/NIso.v that proves that any two models of natural numbers are isomorphic. Added NatScope and IntScope for abstract developments.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10247 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Numbers/Integer/Abstract/ZTimes.v')
-rw-r--r--theories/Numbers/Integer/Abstract/ZTimes.v4
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Numbers/Integer/Abstract/ZTimes.v b/theories/Numbers/Integer/Abstract/ZTimes.v
index bc7321cbae..0290c237bb 100644
--- a/theories/Numbers/Integer/Abstract/ZTimes.v
+++ b/theories/Numbers/Integer/Abstract/ZTimes.v
@@ -3,7 +3,7 @@ Require Export ZPlus.
Module ZTimesPropFunct (Import ZAxiomsMod : ZAxiomsSig).
Module Export ZPlusPropMod := ZPlusPropFunct ZAxiomsMod.
-Open Local Scope NatIntScope.
+Open Local Scope IntScope.
Theorem Ztimes_0_r : forall n : Z, n * 0 == 0.
Proof NZtimes_0_r.
@@ -48,7 +48,7 @@ Proof NZtimes_neq_0.
(** Z forms a ring *)
-Lemma Zring : ring_theory 0 1 NZplus NZtimes NZminus Zopp NZE.
+Lemma Zring : ring_theory 0 1 NZplus NZtimes NZminus Zopp NZeq.
Proof.
constructor.
exact Zplus_0_l.