let s be State of SCM+FSA; for Ig being good Program of SCM+FSA
for j being parahalting Instruction of SCM+FSA st ( Ig is parahalting or ( Ig is_halting_on Initialized s & Ig is_closed_on Initialized s ) ) holds
DataPart (IExec ((Ig ';' j),s)) = DataPart (Exec (j,(IExec (Ig,s))))
let Ig be good Program of SCM+FSA; for j being parahalting Instruction of SCM+FSA st ( Ig is parahalting or ( Ig is_halting_on Initialized s & Ig is_closed_on Initialized s ) ) holds
DataPart (IExec ((Ig ';' j),s)) = DataPart (Exec (j,(IExec (Ig,s))))
let j be parahalting Instruction of SCM+FSA; ( ( Ig is parahalting or ( Ig is_halting_on Initialized s & Ig is_closed_on Initialized s ) ) implies DataPart (IExec ((Ig ';' j),s)) = DataPart (Exec (j,(IExec (Ig,s)))) )
set I = Ig;
assume A1:
( Ig is parahalting or ( Ig is_halting_on Initialized s & Ig is_closed_on Initialized s ) )
; DataPart (IExec ((Ig ';' j),s)) = DataPart (Exec (j,(IExec (Ig,s))))
then A2:
for f being FinSeq-Location holds (IExec ((Ig ';' j),s)) . f = (Exec (j,(IExec (Ig,s)))) . f
by Th13;
for a being Int-Location holds (IExec ((Ig ';' j),s)) . a = (Exec (j,(IExec (Ig,s)))) . a
by A1, Th12;
hence
DataPart (IExec ((Ig ';' j),s)) = DataPart (Exec (j,(IExec (Ig,s))))
by A2, SCMFSA6A:38; verum