The Precevian Triangle
The internal Cevian from A are concurrent with the external Cevians from B and C at the point .
The internal Cevian from B are concurrent with the external Cevians from A and C at the point .
The internal Cevian from C are concurrent with the external Cevians from A and B at the point .
The points and form the External Triangle or Precevian Triangle.