# Leibniz Legible — https://leibnizlegible.com
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# Title: [Vera Circuli Et Hyperbolae Quadratura] Vera Circvli Et Hyperbolæ Quadratura (shelfmark Leibn. Marg. 98)
# Folio 123, page id 834940469:0207
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=834940469&page=207
# Source image: https://digitale-sammlungen.gwlb.de/content/834940469/jpgs/default/00000207.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 34 lines, status machine
# Lines: 34 recognised, mean confidence 0.89
# 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.

B
BDmulciplicota rationis AD ad DC in ratione P ad O: HIF.
querario AB ad BI mulciplicaca rationis F A3d DO in ra
tione Pad C manifeltum elE F:O B esse curuam in huius54
descripeam; ec ideo cubus ex latere E A vel AB est ad inte-
riorem truncum cylindricirecti super EOBA relecti a plano
balem seminormalicer secance in recta P A UF P2, (3 PC
 292 4d G2; Cst AUTEM VE FA ad DO ita expostione AI
vel KHIadDC; d ideo rectansulum P A in BC aequale elt
rectansulo DO in HH, cumque hoc semperhac, manite
Cum est cylindricum super ACB (cuius alticudo FA) aqua-
lem eserrunco inferiori cplindricirecti (UPer FOBA relecti
aplano basem Peminormalicer secante in recta FA, e ideo
VED. 3PC f 2923d92 icd F ABF ad AC B.
Hacproblemaca particuloria a me selecta (unc tanquam
difficiliora e moiorismomentiinter geomerrarum invenca,
rlera quedam a me nunc primum Coluenicotus namque archi-
mediscractatus de sphaera e crlindro Facile demonstratur
ez huius 5 dd modum huius 40d aliquor lequentium; libee
de conoidibus Spheroidibus _ tota Luce Valerii doctrina ex
hiuius2r; coca Guldini loannis de laFaille _ Andrex PaC.
quec doarina ex huius 35 ex aliquoc sequencium: Faccorta.
menme nullomouo pocuisse invenire racionem inFer CUTUAL
ellipricam vel hrperbolicam de recta, cciam si in hoc tracta-
culo multi diverli (inc modi illas examinandi; ica ue facile
credam hanc racionem ce non Anslycic a de vnogradu esse
superiorem illa incer circulum et diamerri quadratum, sed
hoc demonstrien non elt sdco facile. Non praecendo HanC
methodum inseruire relolucioni omnium problematum ir-
regularium, quae infinica sunt numero e ditticulcare, qualia
praelereim (une illa de corporum ee superticierum sectione
irresulari a planis, rel aliis superticiebus, inter quae eamen
sequens exhibeo laris pulchrum, placec enim miscellanea
quae dam non prorlus inutilis hic adiunsere.