src/HOL/UNITY/SubstAx.thy
author paulson
Tue, 30 Nov 1999 16:54:10 +0100
changeset 8041 e3237d8c18d6
parent 6575 70d758762c50
child 8122 b43ad07660b9
permissions -rw-r--r--
working version with new theory ELT
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(*  Title:      HOL/UNITY/SubstAx
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    ID:         $Id$
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    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
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    Copyright   1998  University of Cambridge
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Weak LeadsTo relation (restricted to the set of reachable states)
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*)
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SubstAx = WFair + Constrains + 
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constdefs
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   LeadsTo :: "['a set, 'a set] => 'a program set"            (infixl 60)
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    "A LeadsTo B == {F. F : (reachable F Int A) leadsTo B}"
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end