src/CTT/Arith.thy
changeset 58889 5b7a9633cfa8
parent 58318 f95754ca7082
child 58963 26bf09b95dda
--- a/src/CTT/Arith.thy	Sun Nov 02 18:21:14 2014 +0100
+++ b/src/CTT/Arith.thy	Sun Nov 02 18:21:45 2014 +0100
@@ -3,7 +3,7 @@
     Copyright   1991  University of Cambridge
 *)
 
-header {* Elementary arithmetic *}
+section {* Elementary arithmetic *}
 
 theory Arith
 imports Bool