src/HOLCF/Ssum2.thy
author clasohm
Tue Feb 06 12:42:31 1996 +0100 (1996-02-06)
changeset 1479 21eb5e156d91
parent 442 13ac1fd0a14d
child 2640 ee4dfce170a0
permissions -rw-r--r--
expanded tabs
     1 (*  Title:      HOLCF/ssum2.thy
     2     ID:         $Id$
     3     Author:     Franz Regensburger
     4     Copyright   1993 Technische Universitaet Muenchen
     5 
     6 Class Instance ++::(pcpo,pcpo)po
     7 *)
     8 
     9 Ssum2 = Ssum1 + 
    10 
    11 arities "++" :: (pcpo,pcpo)po
    12 (* Witness for the above arity axiom is ssum1.ML *)
    13 
    14 rules
    15 
    16 (* instance of << for type ['a ++ 'b]  *)
    17 
    18 inst_ssum_po    "((op <<)::['a ++ 'b,'a ++ 'b]=>bool) = less_ssum"
    19 
    20 end
    21 
    22 
    23