let I be parahalting Program of SCM+FSA; for a being read-write Int-Location st ex f being Function of (product the Object-Kind of SCM+FSA),NAT st
for s being State of SCM+FSA holds
( ( f . ((StepWhile=0 (a,I,s)) . 1) < f . s or f . s = 0 ) & ( f . s = 0 implies s . a <> 0 ) & ( s . a <> 0 implies f . s = 0 ) ) holds
while=0 (a,I) is parahalting
let a be read-write Int-Location ; ( ex f being Function of (product the Object-Kind of SCM+FSA),NAT st
for s being State of SCM+FSA holds
( ( f . ((StepWhile=0 (a,I,s)) . 1) < f . s or f . s = 0 ) & ( f . s = 0 implies s . a <> 0 ) & ( s . a <> 0 implies f . s = 0 ) ) implies while=0 (a,I) is parahalting )
given f being Function of (product the Object-Kind of SCM+FSA),NAT such that A1:
for s being State of SCM+FSA holds
( ( f . ((StepWhile=0 (a,I,s)) . 1) < f . s or f . s = 0 ) & ( f . s = 0 implies s . a <> 0 ) & ( s . a <> 0 implies f . s = 0 ) )
; while=0 (a,I) is parahalting
now let t be
State of
SCM+FSA;
while=0 (a,I) is_halting_on tnow let k be
Nat;
( ( f . ((StepWhile=0 (a,I,t)) . (k + 1)) < f . ((StepWhile=0 (a,I,t)) . k) or f . ((StepWhile=0 (a,I,t)) . k) = 0 ) & ( f . ((StepWhile=0 (a,I,t)) . k) = 0 implies ((StepWhile=0 (a,I,t)) . k) . a <> 0 ) & ( ((StepWhile=0 (a,I,t)) . k) . a <> 0 implies f . ((StepWhile=0 (a,I,t)) . k) = 0 ) )A2:
k in NAT
by ORDINAL1:def 13;
(
f . ((StepWhile=0 (a,I,((StepWhile=0 (a,I,t)) . k))) . 1) < f . ((StepWhile=0 (a,I,t)) . k) or
f . ((StepWhile=0 (a,I,t)) . k) = 0 )
by A1;
hence
( (
f . ((StepWhile=0 (a,I,t)) . (k + 1)) < f . ((StepWhile=0 (a,I,t)) . k) or
f . ((StepWhile=0 (a,I,t)) . k) = 0 ) & (
f . ((StepWhile=0 (a,I,t)) . k) = 0 implies
((StepWhile=0 (a,I,t)) . k) . a <> 0 ) & (
((StepWhile=0 (a,I,t)) . k) . a <> 0 implies
f . ((StepWhile=0 (a,I,t)) . k) = 0 ) )
by A1, A2, Th25;
verum end; hence
while=0 (
a,
I)
is_halting_on t
by Th33;
verum end;
hence
while=0 (a,I) is parahalting
by SCMFSA7B:25; verum