# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/845634801:0081 # Permalink to this reading: https://leibnizlegible.com/page/845634801:0081?run=74 # Title: [Francisci Vietae Opera Mathematica] Francisci Vietæ Opera Mathematica (shelfmark Leibn. Marg. 101) # Folio 65, page id 845634801:0081 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=845634801&page=81 # Source image: https://digitale-sammlungen.gwlb.de/content/845634801/jpgs/default/00000081.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 41 lines, status machine # Lines: 41 recognised, mean confidence 0.87 # 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. rimia CCHH BF Secundo calu, Primum sic. Secundum. midenr Indecertium. t in 2 quadra quad +D quadrace in M. excectusbalis primi supra pelpelce. lum lecundi. N. compolica ex perpendiculo primi ec base secundi. Apparec aucem primo calui cum demum locum cAte, cum D in N praestacipA B in M. Secundo vero cum B in N praestat ip(D in M. Z E F E YF CY M V. Inremrenumero duo quactrata, aqualia duobus datis quadratis, UIF guX Scorum alcerum consistatinera limites praestitutos. Sine data B quadeatum, D g. Oporret alia duo quadrata iis aequalia constiruere, quo- rum alcerum praecter quidem Pplano, sed cedac G plano. Incelligatur Z9. aliudre planum equale Bg. F D9. Ergo Z rarionalis, ircationalis- ve elt hypotenulatrianguli rectanguli, cujus larera circa rectum sunc B de D. Duari- ricur aurem aliud crianculum rectangulum, cujus hyporenula quoque scZ, unum re- ro e laceribus circa rectum (urpore ba(I5) sEmajor N, sed minox quam S. Fo igitur reducicurres. Ve Invenienda sine numero duorriangula rectangula similia, daras habentes B dt D hy- Porenulas, ee diducti ab iis cerriieriangulibalis, compolira ex perpendiculo primi et bale secundi, consistarinera limires pexetinitos. Teaque 29. =- Ng. XqueTUE M9. LC L9. = Sg. aguerur R9. Si igitur N Racuarur basis cerrii diducendi crianguli in duobus similibus criangulis datas habentibus hyporenulas, etie per primum calum ancecedencis Z eretici ratio ditte- renix basis de hyporenula ad perpendiculum, ur Z9. = = D in N, + B in M ad B in N, + D in M, sCu DE X ad a. m . v . qui limes eAt primus. EE R S Aatuarue basis ejus cerrii crianguli, erir ob eandem expolicam caulam rario difterencia balis es hyporenulae ad perpendiculum, uc Z9. =- D in S, + B in R ad 3 in S, + D in R, seu vE X ad Z . o . t un. Cui times eA secundus. Potta