src/ZF/Inductive_ZF.thy
changeset 58871 c399ae4b836f
parent 58828 6d076fdd933d
child 60770 240563fbf41d
--- a/src/ZF/Inductive_ZF.thy	Sun Nov 02 16:09:35 2014 +0100
+++ b/src/ZF/Inductive_ZF.thy	Sun Nov 02 16:39:54 2014 +0100
@@ -9,7 +9,7 @@
 Products are used only to derive "streamlined" induction rules for relations
 *)
 
-header{*Inductive and Coinductive Definitions*}
+section{*Inductive and Coinductive Definitions*}
 
 theory Inductive_ZF
 imports Fixedpt QPair Nat_ZF