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| author |  Stephane Glondu <steph@glondu.net> | 2008-08-08 13:18:42 +0200 |
|---|---|---|
| committer | Stephane Glondu <steph@glondu.net> | 2008-08-08 13:18:42 +0200 |
| commit | 870075f34dd9fa5792bfbf413afd3b96f17e76a0 (patch) | |
| tree | 0c647056de1832cf1dba5ba58758b9121418e4be /contrib/setoid_ring/InitialRing.v | |
| parent | a0cfa4f118023d35b767a999d5a2ac4b082857b4 (diff) | |
Imported Upstream version 8.2~beta4+dfsgupstream/8.2.beta4+dfsg
Diffstat (limited to 'contrib/setoid_ring/InitialRing.v')
| -rw-r--r-- | contrib/setoid_ring/InitialRing.v | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/contrib/setoid_ring/InitialRing.v b/contrib/setoid_ring/InitialRing.v index c1fa963f..e664b3b7 100644 --- a/contrib/setoid_ring/InitialRing.v +++ b/contrib/setoid_ring/InitialRing.v @@ -38,14 +38,6 @@ Proof. exact Zmult_plus_distr_l. trivial. exact Zminus_diag. Qed. - Lemma Zeqb_ok : forall x y, Zeq_bool x y = true -> x = y. - Proof. - intros x y. - assert (H := Zcompare_Eq_eq x y);unfold Zeq_bool; - destruct (Zcompare x y);intros H1;auto;discriminate H1. - Qed. - - (** Two generic morphisms from Z to (abrbitrary) rings, *) (**second one is more convenient for proofs but they are ext. equal*) Section ZMORPHISM. @@ -174,7 +166,7 @@ Section ZMORPHISM. Zeq_bool x y = true -> [x] == [y]. Proof. intros x y H. - assert (H1 := Zeqb_ok x y H);unfold IDphi in H1. + assert (H1 := Zeq_bool_eq x y H);unfold IDphi in H1. rewrite H1;rrefl. Qed. |