1.1 --- a/src/HOL/Library/List_Cset.thy	Tue Jul 26 12:44:36 2011 +0200
     1.2 +++ b/src/HOL/Library/List_Cset.thy	Tue Jul 26 14:05:28 2011 +0200
     1.3 @@ -133,7 +133,7 @@
     1.4  
     1.5  end
     1.6  
     1.7 -declare single_code [code del]
     1.8 +declare Cset.single_code [code del]
     1.9  lemma single_set [code]:
    1.10    "Cset.single a = Cset.set [a]"
    1.11  by(simp add: Cset.single_code)