src/HOL/Auth/OtwayRees_AN.thy

--- a/src/HOL/Auth/OtwayRees_AN.thy	Fri Jun 17 11:35:35 2005 +0200
+++ b/src/HOL/Auth/OtwayRees_AN.thy	Fri Jun 17 16:12:49 2005 +0200
@@ -6,7 +6,7 @@
 
 header{*The Otway-Rees Protocol as Modified by Abadi and Needham*}
 
-theory OtwayRees_AN = Public:
+theory OtwayRees_AN imports Public begin
 
 text{*
 This simplified version has minimal encryption and explicit messages.