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| author |  Stephane Glondu <steph@glondu.net> | 2012-01-12 16:04:54 +0100 |
|---|---|---|
| committer | Stephane Glondu <steph@glondu.net> | 2012-01-12 16:04:54 +0100 |
| commit | 39efc41237ec906226a3a53d7396d51173495204 (patch) | |
| tree | 87cd58d72d43469d2a2a0a127c1060d7c9e0206b /plugins/setoid_ring/Rings_Z.v | |
| parent | 5fe4ac437bed43547b3695664974f492b55cb553 (diff) | |
| parent | 97fefe1fcca363a1317e066e7f4b99b9c1e9987b (diff) | |
Remove non-DFSG contentsupstream/8.4_beta+dfsg
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 00000000..88904865 --- /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. |