src/HOL/Wellfounded.thy

--- a/src/HOL/Wellfounded.thy	Mon Mar 12 15:11:24 2012 +0100
+++ b/src/HOL/Wellfounded.thy	Mon Mar 12 15:12:22 2012 +0100
@@ -298,7 +298,7 @@
 
 lemma wfP_SUP:
   "\<forall>i. wfP (r i) \<Longrightarrow> \<forall>i j. r i \<noteq> r j \<longrightarrow> inf (DomainP (r i)) (RangeP (r j)) = bot \<Longrightarrow> wfP (SUPR UNIV r)"
-  apply (rule wf_UN [where I=UNIV and r="\<lambda>i. {(x, y). r i x y}", to_pred])
+  apply (rule wf_UN[to_pred])
   apply simp_all
   done