src/HOLCF/UpperPD.thy
changeset 36635 080b755377c0
parent 35901 12f09bf2c77f
child 37770 cddb3106adb8
--- a/src/HOLCF/UpperPD.thy	Tue May 04 08:55:39 2010 +0200
+++ b/src/HOLCF/UpperPD.thy	Tue May 04 08:55:43 2010 +0200
@@ -388,7 +388,7 @@
     (\<lambda>x y. \<Lambda> f. x\<cdot>f +\<sharp> y\<cdot>f)"
 
 lemma ACI_upper_bind:
-  "ab_semigroup_idem_mult (\<lambda>x y. \<Lambda> f. x\<cdot>f +\<sharp> y\<cdot>f)"
+  "class.ab_semigroup_idem_mult (\<lambda>x y. \<Lambda> f. x\<cdot>f +\<sharp> y\<cdot>f)"
 apply unfold_locales
 apply (simp add: upper_plus_assoc)
 apply (simp add: upper_plus_commute)