reserve a,b,c,d,m,x,n,j,k,l for Nat,
  t,u,v,z for Integer,
  f,F for FinSequence of NAT;
reserve p,q,r,s for real number;
reserve a,b,c,d,m,x,n,k,l for Nat,
  t,z for Integer,
  f,F,G for FinSequence of REAL;
reserve q,r,s for real number;
reserve D for set;

theorem Th33:
  (Newton_Coeff k).1 = 1
  proof
    ((1,1) In_Power k).1 = 1
    proof
      thus ((1,1) In_Power k).1 = 1|^k by NEWTON:28
      .= 1;
    end;
    hence thesis by NEWTON:31;
  end;
