Removed theory NatDef.
(* Title: HOLCF/Discrete0.thy
ID: $Id$
Author: Tobias Nipkow
License: GPL (GNU GENERAL PUBLIC LICENSE)
Discrete CPOs.
*)
Discrete0 = Cont + Datatype +
datatype 'a discr = Discr "'a :: type"
instance discr :: (type) sq_ord
defs
less_discr_def "((op <<)::('a::type)discr=>'a discr=>bool) == op ="
end