# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/845634801:0148 # Permalink to this reading: https://leibnizlegible.com/page/845634801:0148?run=74 # Title: [Francisci Vietae Opera Mathematica] Francisci Vietæ Opera Mathematica (shelfmark Leibn. Marg. 101) # Folio 142, page id 845634801:0148 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=845634801&page=148 # Source image: https://digitale-sammlungen.gwlb.de/content/845634801/jpgs/default/00000148.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 46 lines, status machine # Lines: 46 recognised, mean confidence 0.88 # 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. DE E At E N D A FFON C T E EO R FM A I. ETA quad. - quad. F Blolidoin A, XguetT Z plano- plano, _ F quade. cubus + Z plano- plano 4 in P quad., aquetur B Colido. solido. Inno- relcat autem E ese D: A quad. I D in A, XquabitF ~ coliao = D quad. 2 IH B O R P. M A II. er A quacr. - quadr. = B Colido in A, aquetur Z. plan O- planO, et F qua- Ddrati- cubus = 1. Z. plano- plano + In F quad., xquetur B solido. Colido. Innotelcat aurem P. eAC D: A quadr. = D in A, XquabiEUF ~ solido - L quadr. =. Constirutione aurem cum hujus cum ancecedentis equationis bene aenica: sune duo latera, d quibus quadcaco. quadrarorum differentia, applicata ad aggregatum larerum. Facie BColidum, id est Factum duplum ex rectangulo sub laceribus in dhifferenciam, adjun- ctum differentia cubo. Diserencia veco iplorum laterum eAt E. seu D. dCFEZ plano- planum, a quadraro dif Eerentix lacerum plus rectangulo sub laceribus in iplum rectangulum. ec A est latuS unum; hic majus; illic minus. In serie vero quaruor continne proportionalium: AFD differentia exrremarum: B(0 lidum, differentia cuborum a singulis alcerne sumpeorum: Z. plano planum quod Hc ex ucraris excremarum in differentiam cuborum a reliquis alterne lumprorum: ec sIC A pri ma; hic major inter extremas; illicminOr. Sint proporcionales continue 2. N C40. Y C200. 10. 18B Y 832N, aguetur 1680. Igitur 1 O. + SN, aequabitur 20. es sit L_ 2. Et SErOO = 83ER, aequerur 1680. Peitur 1O - BN, aequabitur 20, G fiL X N 10. Noca antem est 8 disserentia inter 2 es 10. quoniam LC. = 672DN, aequatur 692 22 +. Pnub sit LN 64. quantum est quadratum abs d. T H E OR F M A TII. E+ Blolidum in A = A guadr. - GuadC., EGLIatIE Z platO. pLANO; eC P qu2. drati- cubus = Z plano plano 4 in P quadr., aequerur B solido- Colido. Innorelcat aurem P. CNC D: D in A = A quad., x quabitur D quadi. 3 Consirurione aurem aequalicaris bene aenira: est B solidum quod sic sub 2eoreonto quadracorum in aggregacum laterum, seu alicer, cubus agoregati duorum lacerum, mul- raeus facto duplo absrectangulo sub laceribus, in aggregacum larerum: ex Z plano- pla num factum abs quadrato sogregati laterum minus rectangulo, in ipsum rectanoulum et AC F. Ceu D aggregarum iplorum lacerum, A majus iplorum minuere. In lerie aurem quatuor continue proporrionalium: est B solidum aggresarum cubo. cum a quatuor lingulis: Z. plano. planum quod tic sub urravis extremarum in aggrCGaEuNS cuborum a reliquis: D degregaum excremarum: _C Ec A prima, vel quarta. Sine proporrionales continue. 2. N C 40. V C200, 10. 1248 N = 1 O 0, aque tur 2480. Ioitur IZN = L 9, aequabitur 20. 5 fit LN 2, vel 10. Noca autem est 12. agerCB TuM 2 85 10 1C . 9920X, aquabuur 155,304 C fit L 144. quancum est quadrarum abs 12. P R O B L F ML A II. Dualicatem giradeato. Guaatal2Hecclub cubo, permedium cubica radicem habeltis planam ad quadraticam deprimere. Pr