src/HOLCF/Ssum2.thy
author paulson
Thu, 21 Mar 1996 13:02:26 +0100
changeset 1601 0ef6ea27ab15
parent 1479 21eb5e156d91
child 2640 ee4dfce170a0
permissions -rw-r--r--
Changes required by removal of the theory argument of Theorem

(*  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