by Weißbach, B..
Series: 1996-25, Preprints
We give transfers of some geometrical theorems from affine pla-
nes to spaces of any dimension. The proofs by means of barycentric
coordinates show the close connection of these theorems. Generalized
are Menelaos' theorem, E. Ces`aro's theorem on twin-triangles and C.
F. Gauss' theorem on the midpoints of the diagonals in a complete