452
GEOMETRIE. NACHLASS.
[S. 69]
[III.]
I
cp((0, A)
<H®>X(®» A )i
A = xK xK A )l+<p{<K®> xK A )), ?(®» A )!
<K®>A) = 4Ì4K x(®> % <p(®» *)1
cpjü), x(o), A)j = xi4K x(®» % <P(®> A )|
cp((«, A) = a>/A-]-0)«)/'A
x(tt), A) = A-J-tü^A-f^ww^'A
^((»), A) = u) + (üü)Ä'A.
[S. 7 0]
[IV.]
cp|2cp(A, 4-a), 4»(A, i(ß-h^)) — 4(^5 4 a )|
= r fi2<p(A,4-6), 4(A, 4(a + 6))-c|>(A, ±b)\
4* 1 2 9 (A? i a), 4(A, i(« + fc)) —4(A, ia)\ = 4 (A,*«)
+ ^j2cp(A, 4-6), 4(A,4-(a + 6))-4(A,4-6)} “ -f 4(A,*6)
cpj2cp(A,4-a), 4 0,1 (A, ia)dia\ = cp12cp(A, $da\ 4(A, £«))
cp(A, a) = A/a-f A 3 / a
4(A, «) = a-{-AAyfl.