theorem Th10: :: SFMASTR1:11

for p being Instruction-Sequence of SCM+FSA
for s being State of SCM+FSA
for j being sequential Instruction of SCM+FSA
for a being Int-Location
for Ig being good really-closed Program of SCM+FSA st ( Ig is parahalting or Ig is_halting_on Initialized s,p ) holds
(IExec ((Ig ";" j),p,s)) . a = (Exec (j,(IExec (Ig,p,s)))) . a