src/HOLCF/Sprod2.thy
author paulson
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(*  Title:      HOLCF/sprod2.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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Sprod2 = Sprod1 + 
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arities "**" :: (pcpo,pcpo)po
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(* Witness for the above arity axiom is sprod1.ML *)
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rules
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(* instance of << for type ['a ** 'b]  *)
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inst_sprod_po   "((op <<)::['a ** 'b,'a ** 'b]=>bool) = less_sprod"
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end
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