set D = Int-Locations \/ FinSeq-Locations ;
let s be State of SCM+FSA ; :: thesis: for I being good InitHalting Program of SCM+FSA
for f being FinSeq-Location
for a being read-write Int-Location st s . a > 0 & while>0 a,I is InitHalting holds
(IExec (while>0 a,I),s) . f = (IExec (while>0 a,I),(IExec I,s)) . f
let I be good InitHalting Program of SCM+FSA ; :: thesis: for f being FinSeq-Location
for a being read-write Int-Location st s . a > 0 & while>0 a,I is InitHalting holds
(IExec (while>0 a,I),s) . f = (IExec (while>0 a,I),(IExec I,s)) . f
let f be FinSeq-Location ; :: thesis: for a being read-write Int-Location st s . a > 0 & while>0 a,I is InitHalting holds
(IExec (while>0 a,I),s) . f = (IExec (while>0 a,I),(IExec I,s)) . f
let a be read-write Int-Location ; :: thesis: ( s . a > 0 & while>0 a,I is InitHalting implies (IExec (while>0 a,I),s) . f = (IExec (while>0 a,I),(IExec I,s)) . f )
assume A1:
( s . a > 0 & while>0 a,I is InitHalting )
; :: thesis: (IExec (while>0 a,I),s) . f = (IExec (while>0 a,I),(IExec I,s)) . f
f in FinSeq-Locations
by SCMFSA_2:10;
then A2:
f in Int-Locations \/ FinSeq-Locations
by XBOOLE_0:def 3;
then (IExec (while>0 a,I),s) . f =
(DataPart (IExec (while>0 a,I),s)) . f
by FUNCT_1:72, SCMFSA_2:127
.=
(DataPart (IExec (while>0 a,I),(IExec I,s))) . f
by A1, Th33
;
hence
(IExec (while>0 a,I),s) . f = (IExec (while>0 a,I),(IExec I,s)) . f
by A2, FUNCT_1:72, SCMFSA_2:127; :: thesis: verum