let s be State of SCM+FSA; :: thesis: 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; :: thesis: 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; :: thesis: ( ( 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 ) ) ; :: thesis: 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; :: thesis: verum