src/HOL/UNITY/SubstAx.thy
author paulson
Tue May 04 13:47:28 1999 +0200 (1999-05-04)
changeset 6575 70d758762c50
parent 6536 281d44905cab
child 8041 e3237d8c18d6
permissions -rw-r--r--
new definitions of Co and LeadsTo
     1 (*  Title:      HOL/UNITY/SubstAx
     2     ID:         $Id$
     3     Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     4     Copyright   1998  University of Cambridge
     5 
     6 Weak LeadsTo relation (restricted to the set of reachable states)
     7 *)
     8 
     9 SubstAx = WFair + Constrains + 
    10 
    11 consts
    12    LeadsTo :: "['a set, 'a set] => 'a program set"       (infixl 60)
    13 
    14 defs
    15    LeadsTo_def
    16     "A LeadsTo B == {F. F : (reachable F Int A) leadsTo  B}"
    17 end