let s be State of SCM+FSA ; for J being Program of SCM+FSA
for i being parahalting good Instruction of SCM+FSA st ( J is parahalting or ( J is_halting_on Exec i,(Initialized s) & J is_closed_on Exec i,(Initialized s) ) ) holds
DataPart (IExec (i ';' J),s) = DataPart (IExec J,(Exec i,(Initialized s)))
let J be Program of SCM+FSA ; for i being parahalting good Instruction of SCM+FSA st ( J is parahalting or ( J is_halting_on Exec i,(Initialized s) & J is_closed_on Exec i,(Initialized s) ) ) holds
DataPart (IExec (i ';' J),s) = DataPart (IExec J,(Exec i,(Initialized s)))
let i be parahalting good Instruction of SCM+FSA ; ( ( J is parahalting or ( J is_halting_on Exec i,(Initialized s) & J is_closed_on Exec i,(Initialized s) ) ) implies DataPart (IExec (i ';' J),s) = DataPart (IExec J,(Exec i,(Initialized s))) )
assume A1:
( J is parahalting or ( J is_halting_on Exec i,(Initialized s) & J is_closed_on Exec i,(Initialized s) ) )
; DataPart (IExec (i ';' J),s) = DataPart (IExec J,(Exec i,(Initialized s)))
then A2:
for f being FinSeq-Location holds (IExec (i ';' J),s) . f = (IExec J,(Exec i,(Initialized s))) . f
by Th16;
for a being Int-Location holds (IExec (i ';' J),s) . a = (IExec J,(Exec i,(Initialized s))) . a
by A1, Th15;
hence
DataPart (IExec (i ';' J),s) = DataPart (IExec J,(Exec i,(Initialized s)))
by A2, SCMFSA6A:38; verum