| author | paulson | 
| Mon, 23 Jun 1997 10:42:03 +0200 | |
| changeset 3457 | a8ab7c64817c | 
| parent 243 | c22b85994e17 | 
| 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