let l be Element of NAT ; for s being State of SCM+FSA holds
( (Exec ((goto l),s)) . (IC ) = l & ( for c being Int-Location holds (Exec ((goto l),s)) . c = s . c ) & ( for f being FinSeq-Location holds (Exec ((goto l),s)) . f = s . f ) )
let s be State of SCM+FSA; ( (Exec ((goto l),s)) . (IC ) = l & ( for c being Int-Location holds (Exec ((goto l),s)) . c = s . c ) & ( for f being FinSeq-Location holds (Exec ((goto l),s)) . f = s . f ) )
consider La being Element of NAT such that
A1:
l = La
and
A2:
goto l = SCM-goto La
;
reconsider S = s | SCM-Memory as State of SCM by Th73;
A3:
Exec ((goto l),s) = s +* (Exec ((SCM-goto La),S))
by A2, Th75;
hence (Exec ((goto l),s)) . (IC ) =
(Exec ((SCM-goto La),S)) . (IC )
by Th78
.=
l
by A1, AMI_3:7
;
( ( for c being Int-Location holds (Exec ((goto l),s)) . c = s . c ) & ( for f being FinSeq-Location holds (Exec ((goto l),s)) . f = s . f ) )
let f be FinSeq-Location ; (Exec ((goto l),s)) . f = s . f
A6:
not f in dom (Exec ((SCM-goto La),S))
by Th68;
thus (Exec ((goto l),s)) . f =
(s +* (Exec ((SCM-goto La),S))) . f
by A3
.=
s . f
by A6, FUNCT_4:11
; verum