theorem :: SCMFSA9A:22
for p being Instruction-Sequence of SCM+FSA
for s being State of SCM+FSA
for a being read-write Int-Location
for I being MacroInstruction of SCM+FSA st s . (intloc 0) = 1 & s . a <> 0 holds
DataPart (IExec ((while=0 (a,I)),p,s)) = DataPart s