let s be State of SCM+FSA; for I being InitHalting Program of SCM+FSA
for f being FinSeq-Location st not f in UsedInt*Loc I holds
(IExec (I,s)) . f = s . f
let I be InitHalting Program of SCM+FSA; for f being FinSeq-Location st not f in UsedInt*Loc I holds
(IExec (I,s)) . f = s . f
let f be FinSeq-Location ; ( not f in UsedInt*Loc I implies (IExec (I,s)) . f = s . f )
A1:
not f in dom (Initialized I)
by SCMFSA6A:49;
not f in NAT
by SCMFSA_2:85;
then
( IExec (I,s) = (Result ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I)))) +* (s | NAT) & not f in dom (s | NAT) )
by RELAT_1:86, SCMFSA6B:def 1;
then A2:
(IExec (I,s)) . f = (Result ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I)))) . f
by FUNCT_4:12;
ProgramPart (s +* (Initialized I)) halts_on s +* (Initialized I)
by Th5, FUNCT_4:26;
then consider n being Element of NAT such that
A3:
Result ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I))) = Comput ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I)),n)
and
CurInstr ((ProgramPart (s +* (Initialized I))),(Result ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I))))) = halt SCM+FSA
by EXTPRO_1:def 8;
Initialized I c= s +* (Initialized I)
by FUNCT_4:26;
then A4:
( I +* (Start-At (0,SCM+FSA)) c= s +* (Initialized I) & ( for m being Element of NAT st m < n holds
IC (Comput ((ProgramPart (s +* (Initialized I))),(s +* (Initialized I)),m)) in dom I ) )
by Def1, SCMFSA6B:8;
assume
not f in UsedInt*Loc I
; (IExec (I,s)) . f = s . f
hence (IExec (I,s)) . f =
(s +* (Initialized I)) . f
by A2, A3, A4, SF_MASTR:71
.=
s . f
by A1, FUNCT_4:12
;
verum