src/HOLCF/Sprod1.thy

New unified treatment of sequent calculi by Sara Kalvala
combines the old LK and Modal with the new ILL (Int. Linear Logic)

(*  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"    

defs
  less_sprod_def "less_sprod p1 p2 == 
        if p1 = Ispair UU UU
                then True
                else Isfst p1 << Isfst p2 & Issnd p1 << Issnd p2"

end