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src/HOL/Tools/record.ML
changeset 33038 8f9594c31de4
parent 33037 b22e44496dc2
child 33039 5018f6a76b3f 
--- a/src/HOL/Tools/record.ML	Tue Oct 20 16:13:01 2009 +0200
+++ b/src/HOL/Tools/record.ML	Wed Oct 21 08:14:38 2009 +0200
@@ -1834,7 +1834,7 @@
     val extN = full bname;
     val types = map snd fields;
     val alphas_fields = fold Term.add_tfree_namesT types [];
-    val alphas_ext = gen_inter (op =) (alphas, alphas_fields);
+    val alphas_ext = inter (op =) (alphas, alphas_fields);
     val len = length fields;
     val variants =
       Name.variant_list (moreN :: rN :: (rN ^ "'") :: wN :: parent_variants)
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