src/ZF/Epsilon.thy

--- a/src/ZF/Epsilon.thy	Sun Nov 02 16:09:35 2014 +0100
+++ b/src/ZF/Epsilon.thy	Sun Nov 02 16:39:54 2014 +0100
@@ -3,7 +3,7 @@
     Copyright   1993  University of Cambridge
 *)
 
-header{*Epsilon Induction and Recursion*}
+section{*Epsilon Induction and Recursion*}
 
 theory Epsilon imports Nat_ZF begin