diff -r cb82606b8215 -r 3fbcfa911863 src/HOL/BNF/Examples/TreeFsetI.thy
--- a/src/HOL/BNF/Examples/TreeFsetI.thy	Tue Aug 13 15:59:22 2013 +0200
+++ b/src/HOL/BNF/Examples/TreeFsetI.thy	Tue Aug 13 15:59:22 2013 +0200
@@ -12,7 +12,7 @@
 imports "../BNF"
 begin
 
-hide_fact (open) Quotient_Product.prod_rel_def
+hide_fact (open) Lifting_Product.prod_rel_def
 
 codatatype 'a treeFsetI = Tree (lab: 'a) (sub: "'a treeFsetI fset")