author | paulson |
Sat, 10 Jan 1998 17:59:32 +0100 | |
changeset 4552 | bb8ff763c93d |
parent 243 | c22b85994e17 |
permissions | -rw-r--r-- |
(* Title: HOLCF/sprod2.thy ID: $Id$ Author: Franz Regensburger Copyright 1993 Technische Universitaet Muenchen Class Instance **::(pcpo,pcpo)po *) Sprod2 = Sprod1 + arities "**" :: (pcpo,pcpo)po (* Witness for the above arity axiom is sprod1.ML *) rules (* instance of << for type ['a ** 'b] *) inst_sprod_po "(op <<)::['a ** 'b,'a ** 'b]=>bool = less_sprod" end