src/HOL/UNITY/SubstAx.thy
changeset 4776 1f9362e769c1
child 5111 8f4b72f0c15d
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/HOL/UNITY/SubstAx.thy	Fri Apr 03 12:34:33 1998 +0200
     1.3 @@ -0,0 +1,19 @@
     1.4 +(*  Title:      HOL/UNITY/SubstAx
     1.5 +    ID:         $Id$
     1.6 +    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
     1.7 +    Copyright   1998  University of Cambridge
     1.8 +
     1.9 +My treatment of the Substitution Axiom -- not as an axiom!
    1.10 +*)
    1.11 +
    1.12 +SubstAx = WFair +
    1.13 +
    1.14 +constdefs
    1.15 +
    1.16 +   LeadsTo :: "['a set, ('a * 'a)set set, 'a set, 'a set] => bool"
    1.17 +    "LeadsTo Init Acts A B ==
    1.18 +     leadsTo Acts (reachable Init Acts Int A)
    1.19 +                  (reachable Init Acts Int B)"
    1.20 +
    1.21 +
    1.22 +end