src/HOLCF/Ssum2.thy
author nipkow
Wed Jan 19 17:35:01 1994 +0100 (1994-01-19)
changeset 243 c22b85994e17
child 442 13ac1fd0a14d
permissions -rw-r--r--
Franz Regensburger's Higher-Order Logic of Computable Functions embedding LCF
in HOL.
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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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