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# Title: Leibniz-Handschriften zur Mathematik LH 35, 5, 23
# Folio 25v, page id 00068041:0050
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Javestigandum erit an liceat inverire  e aliquam functionem
hoc est
circularm, sive rectam vel aliam quantitatem certo modo ex dato
 et radio et arcu determinatam quae sit media. propor-
tionalis inter radium et eaudem functionem respectu arcus dupli–
Hoc habito haberetur transitus  ab angulis ad rationes
seu ab arcubus ad Logarithmos vel contra.
s
35 +.
B BT vel T V aqu D
+- D: b :: Srrttt: r
5+
IV
SC
BC
l- 2tD + f: 8: rr+ tt: Er
Ergo L - 2+D: O2 aequ. H: rr
tui
seu  re iternaequ HD t- 20 rraego t
ceu
aequ F aequ
26
r
FY-C
Ergo (F ad equalis duplo loganthm de er- B2-)
int quantitates duae: l. A. et sit
+
(2)
a
=
s:b∞
l est ut
sitque praeterea A st aeqo YI. quaeritur l.
Hoc est debet l’eodem modo formari ex t, ut A ex B.
et praeterea este A meda proportionalis inter Y et L.
quaeritur l seu relatio inter l et F.
non adeo prolix
Hoc g an possibile sit calculo generali prbixo satis ita
u
daquationem
consequemur et Fingendo relationem generalem inter
si 00 V
aequ.  1.
let F, et pro E ponendo valorem ex
pro L vero ponendo valorem ex aequ 3
qua explicatione facta debet sponte oriri illa ipsa relatio,
ta. cs transit   u ad aas.