generalized theorems and class instances for Cprod.
Now "*"::(cpo,cpo)cpo and "*"::(pcpo,pcpo)pcpo
(* Title: HOLCF/Cfun2.thy
ID: $Id$
Author: Franz Regensburger
Copyright 1993 Technische Universitaet Muenchen
Class Instance ->::(cpo,cpo)po
*)
Cfun2 = Cfun1 +
instance "->"::(cpo,cpo)po (refl_less_cfun,antisym_less_cfun,trans_less_cfun)
end