modernized session

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/HOL/SET_Protocol/SET_Protocol.thy	Tue Sep 28 15:31:10 2010 +0200
@@ -0,0 +1,12 @@
+(*  Title:      HOL/SET_Protocol/SET_Protocol.thy
+    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
+    Copyright   2003  University of Cambridge
+
+Root file for the SET protocol proofs.
+*)
+
+theory SET_Protocol
+imports Cardholder_Registration Merchant_Registration Purchase
+begin
+
+end