let I, J be Program of ; for a being read-write Int-Location
for s being State of st s . a <= 0 & J is_closed_onInit s & J is_halting_onInit s holds
IExec (if>0 a,I,J),s = (IExec J,s) +* (Start-At (insloc (((card I) + (card J)) + 3)))
let a be read-write Int-Location ; for s being State of st s . a <= 0 & J is_closed_onInit s & J is_halting_onInit s holds
IExec (if>0 a,I,J),s = (IExec J,s) +* (Start-At (insloc (((card I) + (card J)) + 3)))
let s be State of ; ( s . a <= 0 & J is_closed_onInit s & J is_halting_onInit s implies IExec (if>0 a,I,J),s = (IExec J,s) +* (Start-At (insloc (((card I) + (card J)) + 3))) )
assume A1:
s . a <= 0
; ( not J is_closed_onInit s or not J is_halting_onInit s or IExec (if>0 a,I,J),s = (IExec J,s) +* (Start-At (insloc (((card I) + (card J)) + 3))) )
set Is = Initialize s;
assume
J is_closed_onInit s
; ( not J is_halting_onInit s or IExec (if>0 a,I,J),s = (IExec J,s) +* (Start-At (insloc (((card I) + (card J)) + 3))) )
then A2:
J is_closed_on Initialize s
by Th40;
assume
J is_halting_onInit s
; IExec (if>0 a,I,J),s = (IExec J,s) +* (Start-At (insloc (((card I) + (card J)) + 3)))
then
J is_halting_on Initialize s
by Th41;
hence
IExec (if>0 a,I,J),s = (IExec J,s) +* (Start-At (insloc (((card I) + (card J)) + 3)))
by A1, A2, SCMFSA8B:25; verum