let s be State of SCM+FSA; for p being Instruction-Sequence of SCM+FSA
for b being Int-Location
for I being Program of SCM+FSA st I is_closed_on Initialized s,p & I is_halting_on Initialized s,p & not b in UsedIntLoc I holds
(IExec (I,p,s)) . b = (Initialized s) . b
let p be Instruction-Sequence of SCM+FSA; for b being Int-Location
for I being Program of SCM+FSA st I is_closed_on Initialized s,p & I is_halting_on Initialized s,p & not b in UsedIntLoc I holds
(IExec (I,p,s)) . b = (Initialized s) . b
let b be Int-Location ; for I being Program of SCM+FSA st I is_closed_on Initialized s,p & I is_halting_on Initialized s,p & not b in UsedIntLoc I holds
(IExec (I,p,s)) . b = (Initialized s) . b
let I be Program of SCM+FSA; ( I is_closed_on Initialized s,p & I is_halting_on Initialized s,p & not b in UsedIntLoc I implies (IExec (I,p,s)) . b = (Initialized s) . b )
set a = b;
assume that
A1:
I is_closed_on Initialized s,p
and
A2:
I is_halting_on Initialized s,p
and
A3:
not b in UsedIntLoc I
; (IExec (I,p,s)) . b = (Initialized s) . b
set Is = Initialized s;
set pI = p +* I;
A6:
p +* I halts_on Initialize (Initialized s)
by A2, SCMFSA7B:def 7;
A9:
Initialized s = Initialize (Initialized s)
by MEMSTR_0:44;
for m being Element of NAT st m < LifeSpan ((p +* I),(Initialized s)) holds
IC (Comput ((p +* I),(Initialized s),m)) in dom I
by A1, A9, SCMFSA7B:def 6;
then A10:
(Comput ((p +* I),(Initialized s),(LifeSpan ((p +* I),(Initialized s))))) . b = (Initialized s) . b
by A3, FUNCT_4:25, SF_MASTR:61;
DataPart (IExec (I,p,s)) =
DataPart (Result ((p +* I),(Initialized s)))
by SCMFSA6B:def 1
.=
DataPart (Result ((p +* I),(Initialized s)))
.=
DataPart (Comput ((p +* I),(Initialized s),(LifeSpan ((p +* I),(Initialized s)))))
by A9, A6, EXTPRO_1:23
;
hence
(IExec (I,p,s)) . b = (Initialized s) . b
by A10, SCMFSA6A:7; verum