theorem Th55: :: SCMFSA9A:55

for s being State of SCM+FSA
for p being Instruction-Sequence of SCM+FSA
for a being read-write Int-Location
for J being good really-closed MacroInstruction of SCM+FSA st not J destroys a & s . (intloc 0) = 1 & ( ProperTimesBody a,J,s,p or J is parahalting ) holds
Times (a,J) is_halting_on s,p