src/HOL/UNITY/Detects.thy
changeset 63146 f1ecba0272f9
parent 61635 c657ee4f59b7
child 80914 d97fdabd9e2b
--- a/src/HOL/UNITY/Detects.thy	Wed May 25 11:49:40 2016 +0200
+++ b/src/HOL/UNITY/Detects.thy	Wed May 25 11:50:58 2016 +0200
@@ -5,7 +5,7 @@
 Detects definition (Section 3.8 of Chandy & Misra) using LeadsTo
 *)
 
-section{*The Detects Relation*}
+section\<open>The Detects Relation\<close>
 
 theory Detects imports FP SubstAx begin