for s being State of SCM+FSA
for I being MacroInstruction of SCM+FSA
for a being read-write Int-Location
for k being Nat
for P being Instruction-Sequence of SCM+FSA holds (StepWhile>0 (a,P,s,I)) . (k + 1) = (StepWhile>0 (a,P,((StepWhile>0 (a,P,s,I)) . k),I)) . 1