
theorem
  for S be finite set, s,t be FinSequence of S st
  t in Finseq-EQclass(s) holds FDprobSEQ(s)=FDprobSEQ(t)
proof
  let S be finite set, s,t be FinSequence of S;
  assume t in Finseq-EQclass(s);
  then ex w be FinSequence of S st t=w & s,w -are_prob_equivalent;
  hence thesis by Th8;
end;
