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src/HOL/Real/PReal.thy
changeset 15013 34264f5e4691
parent 14738 83f1a514dcb4
child 15055 aed573241bea 
--- a/src/HOL/Real/PReal.thy	Wed Jun 30 14:04:58 2004 +0200
+++ b/src/HOL/Real/PReal.thy	Thu Jul 01 12:29:53 2004 +0200
@@ -705,7 +705,7 @@
       from preal_nonempty [OF A]
       show ?case  by force 
     case (Suc k)
-      from this obtain b where "b \<in> A" "b + of_int (int k) * u \<in> A" ..
+      from this obtain b where "b \<in> A" "b + of_nat k * u \<in> A" ..
       hence "b + of_int (int k)*u + u \<in> A" by (simp add: prems)
       thus ?case by (force simp add: left_distrib add_ac prems) 
   qed
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