reserve a for Real;
reserve p,q for Point of TOP-REAL 2;

theorem
  for n being Nat holds dom (n NormF)=the carrier of TOP-REAL
  n & dom (n NormF)=REAL n
proof
  let n be Nat;
  thus dom (n NormF)=the carrier of TOP-REAL n by FUNCT_2:def 1;
  hence thesis by EUCLID:22;
end;
