
theorem
  for u being INT-valued FinSequence, m being CR_Sequence for z1,z2
  being Integer st 0 <= z1 & z1 < Product(m) & (for i being Nat st i
in dom m holds z1,u.i are_congruent_mod m.i) & 0 <= z2 & z2 < Product(m) & (for
i being Nat st i in dom m holds z2,u.i are_congruent_mod m.i) holds
  z1 = z2 by Lm9;
