src/HOLCF/Cfun3.thy
author clasohm
Tue, 06 Feb 1996 12:42:31 +0100
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(*  Title:      HOLCF/cfun3.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 of  -> for class pcpo
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*)
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Cfun3 = Cfun2 +
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arities "->"    :: (pcpo,pcpo)pcpo              (* Witness cfun2.ML *)
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consts  
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        Istrictify   :: "('a->'b)=>'a=>'b"
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        strictify    :: "('a->'b)->'a->'b"
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rules 
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inst_cfun_pcpo  "(UU::'a->'b) = UU_cfun"
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defs
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Istrictify_def  "Istrictify f x == if x=UU then UU else f`x"    
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strictify_def   "strictify == (LAM f x.Istrictify f x)"
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end
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