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| author |  pottier <pottier@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2011-08-04 15:22:08 +0000 |
|---|---|---|
| committer | pottier <pottier@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2011-08-04 15:22:08 +0000 |
| commit | ca6b6bfde9a0c5b91a53e9c139140403369ff658 (patch) | |
| tree | fcfcc2284fc11e3f96867cd606f8f5ac25726351 /plugins/setoid_ring/Rings_Z.v | |
| parent | 726130d3d847e59d3556f6b302de155dc052d6a4 (diff) | |
moins de reification inutile, noatations standards
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14385 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'plugins/setoid_ring/Rings_Z.v')
| -rw-r--r-- | plugins/setoid_ring/Rings_Z.v | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/plugins/setoid_ring/Rings_Z.v b/plugins/setoid_ring/Rings_Z.v new file mode 100644 index 000000000..889048653 --- /dev/null +++ b/plugins/setoid_ring/Rings_Z.v @@ -0,0 +1,14 @@ +Require Export Cring. +Require Export Integral_domain. +Require Export Ncring_initial. + +Instance Zcri: (Cring (Rr:=Zr)). +red. exact Zmult_comm. Defined. + +Lemma Z_one_zero: 1%Z <> 0%Z. +omega. +Qed. + +Instance Zdi : (Integral_domain (Rcr:=Zcri)). +constructor. +exact Zmult_integral. exact Z_one_zero. Defined. |