--- a/src/FOL/FOL.thy Sun Nov 02 18:21:14 2014 +0100
+++ b/src/FOL/FOL.thy Sun Nov 02 18:21:45 2014 +0100
@@ -2,7 +2,7 @@
Author: Lawrence C Paulson and Markus Wenzel
*)
-header {* Classical first-order logic *}
+section {* Classical first-order logic *}
theory FOL
imports IFOL