
theorem Th01:
  for P being Element of BK_model holds BK_to_REAL2 P in TarskiEuclid2Space
  proof
    let P be Element of BK_model;
    the MetrStruct of TarskiEuclid2Space = the MetrStruct of Euclid 2 &
    BK_to_REAL2 P in TOP-REAL 2 by GTARSKI1:def 13;
    hence thesis by EUCLID:22;
  end;
