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# Title: Qua Continentur De Angulo Contactus & Semicirculi, Disquisitio Geometrica. De Sectionibus Conicis Tractatus. Arithmetica Infinitorum: sive de Curvilineorum quadraturâ, &c. Eclipseos Solaris Observatio (shelfmark Leibn. Marg. 84:2)
# Folio 161, page id 824573315:0373
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PFOR, 18D
S aX Ar, _C, Vel Oai, b ar, 20 ar, _C; Circumleripea, eFIIME
Y a = ∞ is 38id a3  31 9. n o  AVCHBa, IH2 X16,V 302IGCC;
his aurem intermedia parcim inCeript parcim circum ecripea
(qux nem ve cam habene lacudinem que cR arirhimetice me-
dia incer duas orcinacim applicacas spacium corminances) vel
quod cancundem ralebu) inscrixcas traBCZis erWIHE L aXLY,
3 aX 3r, 5 0XGrB _C  vel T a~G a r, 25 ar, _CG ExPOH
ris Ceetoribus hixilsarim aequalia ) iis nempe griorum adcus (inE
paralleloeramnorum alcichdintbus (hoc est, segmenes dia
mecri parabo lx) aequales, radsi vero lasicudnum parallele
erammorum dupli: vel, A lectorum radis sine paralselogram.
morum illorum laciudinibus a Bumleb, et uscpdralIslogrhmnsa
sectorum dupta.
i
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em
r
+
Sed cempuo eA Gt prelixs SchotioAnem impona; qubd, cus
in hunclocum rejeceri, Cupr gictum cA un
PAEC
et l
oe
na l a
u
heorema
at 
aus
tus nutrer Pipurai cnsusibee sin quatBC
Tcrie Tgbella expotua
PFOD. I.=
2.) quoulqu
libet concinuandae; ad suup alsum pumerum
Fiouratum; racionem habetcognitatm.
BL19γ)CC
uta
aao l 4
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Nempe eam quam indigut prop. praeced
LEISV: BdESEI.
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n
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la
14
eta
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a
T propterca, Series lequentes in praemilta p
quousqi libet continuata, non erie ditticile intor
Dolare.
Nempe, invento per prop. 182, cujulq: proprio chpractere
Bgc incerpolatio uc in Prop. 175, 176, 187.
16E
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Tab
itmet Institerm.