src/HOL/Quotient_Examples/Lift_FSet.thy
changeset 57816 d8bbb97689d3
parent 55732 07906fc6af7a
child 58889 5b7a9633cfa8
--- a/src/HOL/Quotient_Examples/Lift_FSet.thy	Thu Aug 07 12:17:41 2014 +0200
+++ b/src/HOL/Quotient_Examples/Lift_FSet.thy	Thu Aug 07 12:17:41 2014 +0200
@@ -151,7 +151,7 @@
   using filter_filter [Transfer.transferred] .
 
 lemma "fset (fcons x xs) = insert x (fset xs)"
-  using set_simps(2) [Transfer.transferred] .
+  using list.set(2) [Transfer.transferred] .
 
 lemma "fset (fappend xs ys) = fset xs \<union> fset ys"
   using set_append [Transfer.transferred] .