theorem
  for g being Element of G.i, h being Element of G.j
  holds <*[i,g],[j,h]*> is FinSequence of FreeAtoms(G)
proof
  let g be Element of G.i, h be Element of G.j;
  [i,g] in FreeAtoms(G) & [j,h] in FreeAtoms(G) by Th9;
  hence thesis by FINSEQ_2:13;
end;
