 reserve n,i,k,m for Nat;
 reserve p for Prime;
 reserve s, s1, s2 for Real_Sequence;

theorem Seqs4:
  for n being Nat holds Reci-TSq.n >= 0
  proof
    let n be Nat;
    per cases;
    suppose n = 0;
      hence thesis by MySum2Def;
    end;
    suppose n <> 0; then
      reconsider nn = n as non zero Nat;
      Reci-TSq.n = 1 / TSqF nn by MySum2Def;
      hence thesis;
    end;
  end;
