reserve m for Nat;
reserve P for Instruction-Sequence of SCM+FSA;

theorem Th5:
  for I,J being good preProgram of SCM+FSA holds I +* J is good
proof
  let I,J be good preProgram of SCM+FSA;
  I does not destroy intloc 0 & J does not destroy intloc 0 by SCMFSA7B:def 5;
  then I +* J does not destroy intloc 0 by Th4;
  hence thesis by SCMFSA7B:def 5;
end;
