# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/175905688X:0234 # Permalink to this reading: https://leibnizlegible.com/page/175905688X:0234?run=74 # Title: [Ps. 1] (shelfmarks Leibn. Marg. 178, Stück 1; Leibn. Marg. 178) # Folio 212, page id 175905688X:0234 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=175905688X&page=234 # Source image: https://digitale-sammlungen.gwlb.de/content/175905688X/jpgs/default/00000234.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 57 lines, status machine # Lines: 57 recognised, mean confidence 0.83 # 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. 2 I2 FR AN OES CF, Q SCHOOY F N Ouod iptum est; quod ab Apollonio est ostentum Theoremate decimotertio primi libri Conicorum. UIbi docet, rectangulum quodris, sub recta NF. Seur Sc inventa, de diametri segIEHEO F I leux, quod inter ejus rerricem P de ordinatim adplicatam FI incerjicitur, comprehensum, minus rectangulo NOP, quod sub eodem diamerri LeGIENEO F P vel OP, de lined NO, ad quam OP eandem rarionem habet, quam D F ad F N, ContinetUE, quadraco ejuldem ordinacim adplicacae FI esse aequalc. Eibi notandum lineam F. D, Sectionis diametrum, ab Apollo- nio rocari Latus transverlum uc e Diametrum crantrer- Camm EIlipliS, _ lineaI InVeNEa NTF. Latus rectum, vel etiam Lineam, juxta quam poltunt, qua ad diametrum ED ordinatim adplicantur. a Msydorgio aucem haec linea NE Parametex appellatur. Oua porro linca, ue aute in Hy perbola, poltquam linea FS ipli AC ducta est parallela, bre- vius obcineri porest, si tancum ipsiS BM, M A, AS F quara- cur quarta proportionalis: quandoquidem haec semper cadem existic, qua ipsaNE, inventa, ue supra. Sicur luperius à nobis in Fyperbola es occensuIm. Fix his porro facile liquet, quam inter se racionem habeane quadrata ordinatim adplicatarum ad diametrum in unaguaque vide fou- harumerium sectionum. Fcenim liin Parabola linea P. D voce. FaM 1. Tur Z, ee ordinatim adplicata CD vocetur v, erit, uE Cupra, ccdZ Dvv: ac proinde yy ad vr, hoc cA, HF I ad BG D, ut ccdX ab 1 cc42 2c sCux adZ, hoc est, EI ad F D. HOC eA, in PX rabola quadrata ordinatim adplicatarum F L, C D inter se lunE, Sicue linca FL, F. D, quae ab iplis ex diamretro L D ad verricem E. ablcinduneur. Quodipsum est, quod docet Apollonius Propu Eoma sibri ) mi COnICOrUI. videlig. 2. Fodem modo in fIyperbola _ Flliph acceptd pro P. I alid X 3 magnieudine quaii ante, ut puta Z. eric in Llyperbola vv D de in EIlip(i vD ~ acq2 = a CZ2 a c92 = ac22 Unde ry ad vr 3 in typerbola Hic, uc ac qu. + ac u x 1d acq X. + ac 2 2 4 X -L X X ad 9 1 3b hoc ett, ut .Zi ac in EIipl, _t acq. ~- acH 9d 11 PIO Gulos taci Parabe admod beria