(* Title: HOLCF/fun2.thy
ID: $Id$
Author: Franz Regensburger
Copyright 1993 Technische Universitaet Muenchen
Class Instance =>::(term,po)po
Definiton of least element
*)
Fun2 = Fun1 +
(* default class is still term !*)
(* Witness for the above arity axiom is fun1.ML *)
arities fun :: (term,po)po
consts
UU_fun :: "'a::term => 'b::pcpo"
rules
(* instance of << for type ['a::term => 'b::po] *)
inst_fun_po "((op <<)::['a=>'b::po,'a=>'b::po ]=>bool) = less_fun"
defs
(* The least element in type 'a::term => 'b::pcpo *)
UU_fun_def "UU_fun == (% x.UU)"
end