Do(1+2) 1+2
S02
S2
1+2
Ao (1+2)
A01
ie Geraden [SA], [S1+240(1+2)], [S1 A01], [S2A02];
r Geraden sowohl die Punkte
= S01, ([SOS] [AA02]) = S02, ([S1S2] [A01 A02])
te
+2] [AA0(1+2]), ([SS2] [AA02]) = SO2,
1+2] [A02A0 (1+2)]) = ([S1 S2] [A01 402]);
kte
S01, S02, ([SoS1+2] [AA0(1+2)]),
ch einen Punkt die Geraden [SS1+2], [AA0(1+2)],
st
So (1+2) = 0.1+0.2;