author  paulson 
Tue, 30 Nov 1999 16:54:10 +0100  
changeset 8041  e3237d8c18d6 
parent 6575  70d758762c50 
child 8122  b43ad07660b9 
permissions  rwrr 
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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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5313
1861a564d7e2
Constrains, Stable, Invariant...more of the substitution axiom, but Union
paulson
parents:
5277
diff
changeset

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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 