--- a/src/HOL/HOLCF/IOA/NTP/Multiset.thy Sun Nov 02 17:14:15 2014 +0100
+++ b/src/HOL/HOLCF/IOA/NTP/Multiset.thy Sun Nov 02 17:16:01 2014 +0100
@@ -2,7 +2,7 @@
Author: Tobias Nipkow & Konrad Slind
*)
-header {* Axiomatic multisets *}
+section {* Axiomatic multisets *}
theory Multiset
imports Lemmas