src/HOLCF/Cprod2.thy
changeset 243 c22b85994e17
child 442 13ac1fd0a14d
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/HOLCF/Cprod2.thy	Wed Jan 19 17:35:01 1994 +0100
     1.3 @@ -0,0 +1,25 @@
     1.4 +(*  Title: 	HOLCF/cprod2.thy
     1.5 +    ID:         $Id$
     1.6 +    Author: 	Franz Regensburger
     1.7 +    Copyright   1993 Technische Universitaet Muenchen
     1.8 +
     1.9 +Class Instance *::(pcpo,pcpo)po
    1.10 +
    1.11 +*)
    1.12 +
    1.13 +Cprod2 = Cprod1 + 
    1.14 +
    1.15 +(* Witness for the above arity axiom is cprod1.ML *)
    1.16 +
    1.17 +arities "*" :: (pcpo,pcpo)po
    1.18 +
    1.19 +rules
    1.20 +
    1.21 +(* instance of << for type ['a * 'b]  *)
    1.22 +
    1.23 +inst_cprod_po	"(op <<)::['a * 'b,'a * 'b]=>bool = less_cprod"
    1.24 +
    1.25 +end
    1.26 +
    1.27 +
    1.28 +