--- a/src/ZF/Zorn.thy Sun Nov 02 16:09:35 2014 +0100
+++ b/src/ZF/Zorn.thy Sun Nov 02 16:39:54 2014 +0100
@@ -3,7 +3,7 @@
Copyright 1994 University of Cambridge
*)
-header{*Zorn's Lemma*}
+section{*Zorn's Lemma*}
theory Zorn imports OrderArith AC Inductive_ZF begin