
theorem :: lemma 5.20 (iii), p. 197
  for n being Ordinal, T being connected TermOrder of n, L being
  add-associative right_complementable right_zeroed commutative associative
  well-unital distributive almost_left_invertible non degenerated non empty
  doubleLoopStr, f,p,g being Polynomial of n,L, b being bag of n holds f
  reduces_to g,p,b,T implies not(b in Support g) by Lm17;
