let I be good InitHalting Program of SCM+FSA; for a being read-write Int-Location st not I destroys a holds
Initialize ((intloc 0) .--> 1) is Times (a,I) -halted
let a be read-write Int-Location ; ( not I destroys a implies Initialize ((intloc 0) .--> 1) is Times (a,I) -halted )
assume A1:
not I destroys a
; Initialize ((intloc 0) .--> 1) is Times (a,I) -halted
now let s be
State of
SCM+FSA;
for p being Instruction-Sequence of SCM+FSA holds Times (a,I) is_halting_on Initialized b2,b3let p be
Instruction-Sequence of
SCM+FSA;
Times (a,I) is_halting_on Initialized b1,b2per cases
( s . a > 0 or s . a <= 0 )
;
suppose
s . a > 0
;
Times (a,I) is_halting_on Initialized b1,b2then A2:
(Initialized s) . a > 0
by SCMFSA6C:3;
(
(Initialized s) . (intloc 0) = 1 &
Directed (loop (if=0 (a,(Goto 2),(I ';' (SubFrom (a,(intloc 0))))))) = loop (if=0 (a,(Goto 2),(I ';' (SubFrom (a,(intloc 0)))))) )
by SCMFSA6A:22, SCMFSA6A:38;
then
Directed (loop (if=0 (a,(Goto 2),(I ';' (SubFrom (a,(intloc 0))))))) is_pseudo-closed_on Initialized s,
p
by A1, A2, Th73;
hence
Times (
a,
I)
is_halting_on Initialized s,
p
by A2, SCMFSA8C:39;
verum end; end; end;
hence
Initialize ((intloc 0) .--> 1) is Times (a,I) -halted
by SCMFSA8C:6; verum