src/HOLCF/sprod1.thy
author wenzelm
Fri, 13 Dec 1996 17:34:32 +0100
changeset 2383 4127499d9b52
parent 243 c22b85994e17
permissions -rw-r--r--
added extend_trfunsT; removed test: prtabs_of; removed chartrans;

(*  Title: 	HOLCF/sprod1.thy
    ID:         $Id$
    Author: 	Franz Regensburger
    Copyright   1993  Technische Universitaet Muenchen

Partial ordering for the strict product
*)

Sprod1 = Sprod0 +

consts
  less_sprod	:: "[('a ** 'b),('a ** 'b)] => bool"	

rules

  less_sprod_def "less_sprod(p1,p2) == @z.\
\	 ( p1=Ispair(UU,UU) --> z = True)\
\	&(~p1=Ispair(UU,UU) --> z = (   Isfst(p1) << Isfst(p2) &\
\					Issnd(p1) << Issnd(p2)))"

end