let s be State of ; for I, J being Program of
for a being read-write Int-Location 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)) + (card J)) + 7)))
let I, J be Program of ; for a being read-write Int-Location 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)) + (card J)) + 7)))
let a be read-write Int-Location ; ( 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)) + (card J)) + 7))) )
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)) + (card J)) + 7))) )
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)) + (card J)) + 7))) )
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)) + (card J)) + 7)))
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)) + (card J)) + 7)))
by A1, A2, SCMFSA8B:31; verum