author | lcp |
Tue, 21 Jun 1994 17:20:34 +0200 | |
changeset 435 | ca5356bd315a |
parent 243 | c22b85994e17 |
child 442 | 13ac1fd0a14d |
permissions | -rw-r--r-- |
(* Title: HOLCF/ssum2.thy ID: $Id$ Author: Franz Regensburger Copyright 1993 Technische Universitaet Muenchen Class Instance ++::(pcpo,pcpo)po *) Ssum2 = Ssum1 + arities "++" :: (pcpo,pcpo)po (* Witness for the above arity axiom is ssum1.ML *) rules (* instance of << for type ['a ++ 'b] *) inst_ssum_po "(op <<)::['a ++ 'b,'a ++ 'b]=>bool = less_ssum" end