# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/845634801:0149 # Permalink to this reading: https://leibnizlegible.com/page/845634801:0149?run=74 # Title: [Francisci Vietae Opera Mathematica] Francisci Vietæ Opera Mathematica (shelfmark Leibn. Marg. 101) # Folio 143, page id 845634801:0149 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=845634801&page=149 # Source image: https://digitale-sammlungen.gwlb.de/content/845634801/jpgs/default/00000149.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 73 lines, status machine # Lines: 73 recognised, mean confidence 0.82 # 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. itact. 20 (nNO. d CTUI 1 od DI 3h1 u A OY A X FO N Y II. Proponacur A quad. quad. F BI A cubum 2, aequari Z. plano- plano. Oporret ta- cere quodimperarum cA. Sane H quadrarum estinencurabs A quad. + B in A = F. pla- nO =, CHCIIlua A quad. quad. - B in A cubum 2 B quad. in A quad. Y F plan. plan. = Virique isicur aequationis parri addatur id quod deficic ab effecto d̀ starura radice pla- na quadcaco, concludecur exitaae qualium aequalibus addicione. A quad. quad. L B in A B in A, aquari Z plano. plano + B quad. in A quad. + L. plano plano = = F. plano in A Veeaque pars dividarur sub quadrarice, illic revocata ad analy Ein geneti, orietur ma- nitecto, A quad. -+ B in A - F planO = Ouod ( alcera equalicaris pars pollet quoque diridi subquadearice, quod oriretur Foret aquale radicibusillis planis eprima parre orcivis. Estingendum estigicur quadearum à radice plana, et illud alceri aequalitaris parri, id est Z Plano plano una cum luis adfectionibus comparandum ee adaequandum, ut cadices quoque comparentur e adequencur incer se: Racuicor idcirco radix illa plana ettingendi quadcaci NB quacl. - L plauo In A. Sic enum in comparatione eranelcene adfectiones lub A vel ejus pradibus, ee incide- cur inaqualicarem de P. quo cendendumeR. ERiCtum igITUE QuAdTATUII CLIC =9. 9. - p. 1. F B quad in A quad. - F. plano in A quad. = F plano in B in A. ano. plan Adequandum Z plano- plano una cum reliquis quae illud comicanur et adfciunt ex- Polris plano. planis, ee deleris urrinque adfectionibus sub A, ec A qua dC1O. v onu a. evtam. 1. Ex omnibus ductis in B quad. 4. = F plano 4. E. plano planum in B quad, x quabicur Z plavo. plano in B quad. 4. + L Plano. plano in B quad. Z. plano. planoin E planum. 4. Ex deleco urinque F plano plano in B quad, omnibusquerice ordinacis. F. plani cui bus Y Z plano. plano 4 in E. planum, aquabitur Z plario- plano in B quad. 4. Innocelcacaucem E planum esse D planum. F.rBO A quad. + B in A - D planO Z, X9u2- NB quac. D plano in A. Et aqualicare secundum acEeM OrAIMaTA A quad. + P F an nus. - o vano. in A, aequabitur EL A proxonacur a quad. quad. = B in A cubum 2, aequari Z plano- plano. R adix plana estingendi quadraci Aacuecur. s. . - a vum ,. F N B uad. - E ptano in A, COmp 2. ranca A quac. 1 B in A -= F. plaHO = EE S proponacue B in A cubum 2 = A quad. quad., aquari Z. plano- plano. Licebit argumeneari. A quad. quad. = B in A cubum 2, aquari Z plano plano. Quod eric auterre aequalia ab aequalibus. Er radix plana ettin- Bendi quadeaci RaEuCTIE. yv gudu Leptuio. = Bguad. L. E plano in A, comparanda B in A + E plano Z = A quad. Ficiraque omni calure ductio quae imperata est. Finc ordina- buncur eria reductionis TheorematA. T H E OR F M A l. EA quad. quad. + B in A Cubum 2, XguetuE Z plana planO, _ Eplani- cu bus-Z plano plairo + in LPlanum, a Guecur Z plano- plano in Bquad. 4. quad. F B. +VvauB. - v otuo IM A, a quabitUT- B D qua E E E O R E M A II Y D PlaHO 2. IA quad. quad. = Bin A Cud, alfdletur Z plano. Platio, ee L. planI- Cu- bus -Zplano- plano + in L platte X quetur Z. plano. plano in B quad. 40 vorrtu oouno DPlalte 2. Con L PlAH. II A quad. = F plan. in Bin A. cubum 2 F B quad. in A quad. F F. plano. plano Z = F. plano in A quad. - F. plano in quad. = L plano in B in A. aquabicur Z plano. plano F F plano. plano . C plano. plano- planio. D planO = + et uac. a. bicur Innoreleat autem F planum esse D planum. Innocelcac aurem Cplanum esse D planum. A quact. = v vv aus. B vuno iM A, aquabituI