src/ZF/Constructible/AC_in_L.thy
changeset 16417 9bc16273c2d4
parent 14171 0cab06e3bbd0
child 21233 5a5c8ea5f66a
--- a/src/ZF/Constructible/AC_in_L.thy	Fri Jun 17 11:35:35 2005 +0200
+++ b/src/ZF/Constructible/AC_in_L.thy	Fri Jun 17 16:12:49 2005 +0200
@@ -5,7 +5,7 @@
 
 header {* The Axiom of Choice Holds in L! *}
 
-theory AC_in_L = Formula:
+theory AC_in_L imports Formula begin
 
 subsection{*Extending a Wellordering over a List -- Lexicographic Power*}