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--
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(*  Title:      HOLCF/ssum2.thy
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    ID:         $Id$
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    Author:     Franz Regensburger
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    Copyright   1993 Technische Universitaet Muenchen
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Class Instance ++::(pcpo,pcpo)po
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*)
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Ssum2 = Ssum1 + 
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arities "++" :: (pcpo,pcpo)po
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(* Witness for the above arity axiom is ssum1.ML *)
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rules
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(* instance of << for type ['a ++ 'b]  *)
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inst_ssum_po    "((op <<)::['a ++ 'b,'a ++ 'b]=>bool) = less_ssum"
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end
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