src/HOLCF/sprod2.thy
author wenzelm
Wed, 06 Aug 1997 14:42:44 +0200
changeset 3631 88a279998f90
parent 243 c22b85994e17
permissions -rw-r--r--
renamed use_string to use_strings;

(*  Title: 	HOLCF/sprod2.thy
    ID:         $Id$
    Author: 	Franz Regensburger
    Copyright   1993 Technische Universitaet Muenchen

Class Instance **::(pcpo,pcpo)po
*)

Sprod2 = Sprod1 + 

arities "**" :: (pcpo,pcpo)po

(* Witness for the above arity axiom is sprod1.ML *)

rules

(* instance of << for type ['a ** 'b]  *)

inst_sprod_po	"(op <<)::['a ** 'b,'a ** 'b]=>bool = less_sprod"

end