src/HOL/Library/Cardinal_Notations.thy
changeset 60500 903bb1495239
parent 58881 b9556a055632
--- a/src/HOL/Library/Cardinal_Notations.thy	Wed Jun 17 10:57:11 2015 +0200
+++ b/src/HOL/Library/Cardinal_Notations.thy	Wed Jun 17 11:03:05 2015 +0200
@@ -5,7 +5,7 @@
 Cardinal notations.
 *)
 
-section {* Cardinal Notations *}
+section \<open>Cardinal Notations\<close>
 
 theory Cardinal_Notations
 imports Main