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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 15, page id 824573315:0099
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 36 lines, status machine
# Lines: 36 recognised, mean confidence 0.86
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De Sectionibus Conicis.
demxem me er posica. (led spirali pucd, vel alio
quvi. aeso etus bo incerim plana linc similia a a
gnalicer cralta, acbicamg. ad invicem racionem recineant; ls
rams luxara, uttorra, vel ucformara dici porett. CCux cciam de
Prilmare, aliilq: hxuris lolid s, Paricer incellisonda Tunc.) Li
neog omnium cenera con, ungens (li recta non lIC) Axis distor-
su dici pocest.
DR
7
l ee 2 .e0
De Coni Sectione.
Papuncto quovis, ut A, in Trianguli V BS (per
Axem coni incidentis, e circa quod supponiur
Conus Formari) ucroris Crure, recta dueatur
Prianculum secans (puta AP, AC, AHI; super quam
incellisatur Planum olano Prianouli ita insistere, uE
alignem ex parallelis Coni circulis (B Calrem ip(is
Parallelum non lic) secet sccundum rectam O0, quae
Etistius circuli diametro Duta BS, (in criangulo VBS
exlictenri.) perpendicularis, (adcoq; e reliquos
quos secar circulus ilti prrallelos secer secundum
rectas iplorum diametris in eodem triangulo ex
Sctentibus pervendiculares, quae propterea e
IDS OO parallelae crune; ue sarim demonstrabi-
tur:) communis Sectio supertrierum Coni, pa-
nigi sccanris (pUEA O AO,) Set 10 Comca vel Coni-
Sect,o, dici Colet; B Qudem vel Par Bola, vel EIlin(IS
vel Arperbola: Nempe Parabola, E recta BC dueta FIE.
reliquo cruri parallela (Cadcogi nusquam ipA,
GLAnTUIViS UEEIMO) DrOdUCATUIE, ACCUITTENS ) uE
AP: Ellipsis vero, EI recta Ec ducta ad crus op-
putium versit, (adcog; ipsi, salcem producto, AIC
intra verricem occurtura, uc ABA: Hyperbula demq;
si recta sic ducta ab oppolito crure recedat, uc AH,
(qua