# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/824573315:0079
# Permalink to this reading: https://leibnizlegible.com/page/824573315:0079?run=74
# 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 - , page id 824573315:0079
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=824573315&page=79
# Source image: https://digitale-sammlungen.gwlb.de/content/824573315/jpgs/default/00000079.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 34 lines, status machine
# Lines: 34 recognised, mean confidence 0.93
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
# Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text.
# Wording rule: say "the machine reads it as …", never "Leibniz wrote".
# After the first blank line: the recognised lines in reading order, one per line.

DEDTCATIO.
Rectanguli, Coni Acutanguli, Coni Obculanguli, sc-
etionem, appellaverane; ille P’arabolam Elliplem; IJy
perbolam, dicondas voluit: quae nomina ab illius PrOP:
Fr, 12, 13, libri primi, orisinem duxerunts acgi ha-
ctenus a Cieometris recinentur. Sed ex cidem Sectioni
plures Diametros, inesse voluie, prouc hujus illiulve
conifectione facta incellisacur; quarum finsulae Cibi
peculiares habent ex vertices, ex Ordinacim applica-
tas, et Latera. recta. AF tatendum incerim est horum
etiam non palica, ucut aliis nominibus, aliis antea, (al-
tem Archimedi, innotuisse: hoc tamen dilerimine,
quod quae Coni sectiones (nempeinclinaexe) ab ApOl-
lonio dicuntur, eadem ab Archimede Sectionis (ere-
etxe) Portiones dici videanturs CX Cimiliter de Cono-
dibus:) ut in ipsrus libro de Rectanguli Coni Sectionis
quadratura (cui de gnadratura parabola recentiores
nomen fecerunt,) et in libris de Conoidibus e Sphaeroi-
Haec aurem Conieorum doctrina, quamvis ab ApOl.
lonio laris Ceometrice tradica (unde e Magni Ceome
trae nomen es adeprus,) aspera tamen adhuc man(ic
ex difficilis, ue, qui illam aulus attingere, sic c paucis u-
nus. Tlride _ nimis neglecta fuie, tanquam insupera.
bilis disticultatis plena: ( Quod quidem catenus obci-
nuit, uc ex libris Octo, quos scriplerac Apollonius, non
nil primi quacuor ad nostras manus pervenerint;)
Maxima quippe Ceometrarum pars vel eo non acce
debane plane, vel tanquam canis ad Nilum. Pamas
difficultatem quamvis aliquanto minvere conaci sint
Midoreius, aliig: minime tamen Cultulerunt. Ouam
eitur plerigs cane pejus e ansuc Formidarunt, Co-
nieorum Doetrinam, nos demuscendam suscepimus d
levisandam, ue doincops non minus tractabilis cradtat
qua