
diff -r 6d0f1a5a16ea -r 41de07c7a0f3 src/HOL/Map.thy
--- a/src/HOL/Map.thy	Thu Jun 14 17:50:23 2018 +0200
+++ b/src/HOL/Map.thy	Fri Jun 15 10:45:12 2018 +0200
@@ -826,4 +826,6 @@
   qed
 qed
 
+hide_const (open) Map.empty
+
 end




