# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/1815201908:0403 # Permalink to this reading: https://leibnizlegible.com/page/1815201908:0403?run=74 # Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1) # Folio 346, page id 1815201908:0403 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1815201908&page=403 # Source image: https://digitale-sammlungen.gwlb.de/content/1815201908/jpgs/default/00000403.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 43 lines, status machine # Lines: 43 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. 40 P R OPOSITIO OXCILI EL L. IDStS Dicotucus AC ABF in C d II, limilicer diultas ehe. Demonstratio. NIE CemiellipAS AB C CUTAS ALIS IIL RC, LCLIILHICOTOS AUILCMI DEE. Temiellipsi A B C aqualis po; MMICrBANEE cn lemiellipsi de Pemicireulo criangula ABC, DLF intet IC a GUaIIA. IL CAD _ F, nOr. males ad balim demicraneur BG, F FI. ipsum P. A: led requadrarum L. I ad quadrarum BG, ita est rectangulum AIC ad rectangulum AC C: ex re quadtacum MK a F FI, quadracum, ita CA DRP rectangulum ad rectangulum DHF, ergo ve AI quadracum ad rectangulum AC C, ica est quadrarum D R ad rectangulum D HF: e permurando ve qua- deacum AY ad ipsum DK quadratum, sive ve quadracum AC ad DF ira cRFC- atangulum ACC ad rectangulum DFTF, constacipirur ex Sereni l. L. prOP. 12. li- neaS AC, D F in C e H, proporcionalicer esse divilas. Ovod erac demonlteandum. PROPOSITIO CZCIV. FCenE A BC elliplim diametri guxuis coniugate AC, BD iunctis punctis AB, C B, diuidantur AB, C B linca bitariam in F e C: du CANTUTGS ex P. CenerOlinCK P F, P. G: dein tam pet puncta AEB, quam C F B ellipses describantur quarui coniugaca sinc diametri A B, E. F, C B, F. 61 Dico ABC elliplim aqualem esse duabus cel. ipsIbuS AEB, C EB. ik Cenris T eC K, ad diaMCerOS AC, D FnormaleS CriBANEOFTL, RM iungAn Lxurg; AC, F C, _ DM, MF: quoniam semiellipss ABC semicirculO DMF aqualis eA, crun de maxima criangula illis inscripea nem pe AI C, DM F incer (0 190. hu. xqualia 5 a erie ixicur ve criangulum AI. C, ad criangulum ABC id cA vi bea ed FI ad B C, ica criangulum DM F 2d criangulum DF F, id est ica linCA NTK ad F FI, adeoque re quadracum I. I ad BC quadtacum, ita eric quadratum MK ad cCorol. 191. isus. Etbns dbtbo Voniam eam ABFF, CR L.G, HC BF Blameert LIUNECONIUGREX, CrUNEB ABC, AF, B, C F. B ctiangu la maxima que suis semiellipsibus inscribi postune: est aurem AB C criangulum duplum crianouli CF B, igi rur ex cllipsis ABC c dupla est ellipsis C F. B. Similiret osendamelliplm ABC, auplatu ellC elliplIS B L. A. 2. GLanEUE qu et et eui uepues et e t et pt t t es te e Me t s tit at uet e e e e ti e st st te e e e u ete et tu e te e e a pe ste si stu