for s being State of SCM+FSA
for p being Instruction-Sequence of SCM+FSA
for a being Int-Location
for J being good MacroInstruction of SCM+FSA st ( s . (intloc 0) = 1 or a is read-write ) holds
((StepTimes (a,J,p,s)) . 0) . (1 -stRWNotIn ({a} \/ (UsedILoc J))) = s . a