src/HOLCF/sprod1.thy
author nipkow
Sun, 22 Dec 2002 10:43:43 +0100
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(*  Title: 	HOLCF/sprod1.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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Partial ordering for the strict product
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*)
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Sprod1 = Sprod0 +
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consts
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  less_sprod	:: "[('a ** 'b),('a ** 'b)] => bool"	
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rules
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  less_sprod_def "less_sprod(p1,p2) == @z.\
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\	 ( p1=Ispair(UU,UU) --> z = True)\
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\	&(~p1=Ispair(UU,UU) --> z = (   Isfst(p1) << Isfst(p2) &\
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\					Issnd(p1) << Issnd(p2)))"
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end
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