src/HOLCF/Lift1.thy
author wenzelm
Mon, 28 Aug 2000 20:29:19 +0200
changeset 9702 f23bee3c0682
parent 5192 704dd3a6d47d
permissions -rw-r--r--
\newenvironment{isabellebody}: version without trivlist;

(*  Title:      HOLCF/Lift1.thy
    ID:         $Id$
    Author:     Olaf Mueller
    Copyright   1996 Technische Universitaet Muenchen

Lifting types of class term to flat pcpo's
*)

Lift1 = Cprod3 + Datatype +

default term

datatype 'a lift = Undef | Def 'a

instance lift :: (term)sq_ord
defs 
 
 less_lift_def  "x << y == (x=y | x=Undef)"

end