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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..58a4d7ea --- /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 Z.mul_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. |