src/ZF/CardinalArith.thy
changeset 58871 c399ae4b836f
parent 47101 ded5cc757bc9
child 60770 240563fbf41d
--- a/src/ZF/CardinalArith.thy	Sun Nov 02 16:09:35 2014 +0100
+++ b/src/ZF/CardinalArith.thy	Sun Nov 02 16:39:54 2014 +0100
@@ -3,7 +3,7 @@
     Copyright   1994  University of Cambridge
 *)
 
-header{*Cardinal Arithmetic Without the Axiom of Choice*}
+section{*Cardinal Arithmetic Without the Axiom of Choice*}
 
 theory CardinalArith imports Cardinal OrderArith ArithSimp Finite begin