 reserve R for domRing;
 reserve p for odd prime Nat, m for positive Nat;
 reserve g for non zero Polynomial of INT.Ring;

theorem Th8:
  for i,n be Nat holds len ~((tau(i))|^n) = n+1
  proof
    let i,n be Nat;
    ~((tau(i))|^n) = (<% In(-i,INT.Ring), 1.INT.Ring %>)`^n by BINOM:def 2;
    hence thesis by UPROOTS:39;
  end;
