diff -r a94c0ab9a3ed -r eb0e2ff8f032 src/FOLP/IFOLP.thy
--- a/src/FOLP/IFOLP.thy	Thu Jun 01 13:25:06 1995 +0200
+++ b/src/FOLP/IFOLP.thy	Fri Jun 02 10:38:48 1995 +0200
@@ -1,3 +1,11 @@
+(*  Title: 	FOLP/IFOLP.thy
+    ID:         $Id$
+    Author: 	Martin D Coen, Cambridge University Computer Laboratory
+    Copyright   1992  University of Cambridge
+
+Intuitionistic First-Order Logic with Proofs
+*)
+
 IFOLP = Pure +
 
 classes term < logic