src/HOLCF/ssum2.thy
author paulson
Mon, 13 Mar 2000 12:42:05 +0100
changeset 8421 7156b8e26a17
parent 243 c22b85994e17
permissions -rw-r--r--
fixed the goal statement of sorted_qsort

(*  Title: 	HOLCF/ssum2.thy
    ID:         $Id$
    Author: 	Franz Regensburger
    Copyright   1993 Technische Universitaet Muenchen

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

Ssum2 = Ssum1 + 

arities "++" :: (pcpo,pcpo)po
(* Witness for the above arity axiom is ssum1.ML *)

rules

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

inst_ssum_po	"(op <<)::['a ++ 'b,'a ++ 'b]=>bool = less_ssum"

end