src/HOL/BNF_Composition.thy
changeset 58889 5b7a9633cfa8
parent 58353 c9f374b64d99
child 60758 d8d85a8172b5
--- a/src/HOL/BNF_Composition.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/HOL/BNF_Composition.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -6,7 +6,7 @@
 Composition of bounded natural functors.
 *)
 
-header {* Composition of Bounded Natural Functors *}
+section {* Composition of Bounded Natural Functors *}
 
 theory BNF_Composition
 imports BNF_Def