src/HOLCF/Lift1.thy
author wenzelm
Mon, 08 Feb 1999 15:55:35 +0100
changeset 6258 1f85c03fb3df
parent 5192 704dd3a6d47d
permissions -rw-r--r--
no deps on compile time sources;

(*  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