src/ZF/UNITY/Follows.thy
changeset 60770 240563fbf41d
parent 59788 6f7b6adac439
child 61392 331be2820f90
--- a/src/ZF/UNITY/Follows.thy	Thu Jul 23 14:20:51 2015 +0200
+++ b/src/ZF/UNITY/Follows.thy	Thu Jul 23 14:25:05 2015 +0200
@@ -5,7 +5,7 @@
 Theory ported from HOL.
 *)
 
-section{*The "Follows" relation of Charpentier and Sivilotte*}
+section\<open>The "Follows" relation of Charpentier and Sivilotte\<close>
 
 theory Follows imports SubstAx Increasing begin