Gfp.thy

--- a/Gfp.thy	Tue Oct 24 14:59:17 1995 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,14 +0,0 @@
-(*  Title: 	HOL/gfp.thy
-    ID:         $Id$
-    Author: 	Lawrence C Paulson, Cambridge University Computer Laboratory
-    Copyright   1994  University of Cambridge
-
-Greatest fixed points (requires Lfp too!)
-*)
-
-Gfp = Lfp +
-consts gfp :: "['a set=>'a set] => 'a set"
-defs
- (*greatest fixed point*)
- gfp_def "gfp(f) == Union({u. u <= f(u)})"
-end