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src/HOL/NumberTheory/Residues.thy
changeset 30240 5b25fee0362c
parent 29948 cdf12a1cb963 
--- a/src/HOL/NumberTheory/Residues.thy	Wed Mar 04 10:43:39 2009 +0100
+++ b/src/HOL/NumberTheory/Residues.thy	Wed Mar 04 10:45:52 2009 +0100
@@ -48,7 +48,7 @@
   by (auto simp add: StandardRes_def zcong_zmod_eq)
 
 lemma StandardRes_prop3: "(~[x = 0] (mod p)) = (~(StandardRes p x = 0))"
-  by (auto simp add: StandardRes_def zcong_def zdvd_iff_zmod_eq_0)
+  by (auto simp add: StandardRes_def zcong_def dvd_eq_mod_eq_0)
 
 lemma StandardRes_prop4: "2 < m 
      ==> [StandardRes m x * StandardRes m y = (x * y)] (mod m)"
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