# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/851387705:0431 # Permalink to this reading: https://leibnizlegible.com/page/851387705:0431?run=74 # Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica (shelfmarks Leibn. Marg. 100:1/2, Stück 1; Leibn. Marg. 100:1/2) # Folio 411, page id 851387705:0431 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=851387705&page=431 # Source image: https://digitale-sammlungen.gwlb.de/content/851387705/jpgs/default/00000431.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 63 lines, status machine # Lines: 63 recognised, mean confidence 0.91 # 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. lroP. Cit L1. jus index = 2; prodibie series Primanis recipro. Ca, Cujus index -- L = - 2 + F; nemPC =- 2 minus = + Trem, S Series Primanis reciproca, cujus in- dex - 2, dividat seriem Secundanorum, cujus index 2; prodibit series Percianorum, cujus in- dex 3 = 2 7 T, nempe 2. minuS = L. Trem (i seriem Primanis reciprocam, cujus index =x, dividat series Secundano. rum, cujus index 2; prodibir leries Z ercianis reciproca, cujus index = 3 29 nempe == + mInUS 2. Arque idem concinget, in aliis quibutris hujusmodi seriebus. Adeoque constac Propolicum. PROP. CVT Corollarium. TprOPterCa; Si ad hujusmodi ficuram AD Bd3 (ex una parte in infi- nitum productam) juxta quameunque seriem reciprocam, aptetur (eo modo quo 9 Prop. Con. Sect. C alibi supra ostendi:) Pyramidoeides vel Co- noeides inversum, (seu potius Calatoeides:) habebit illud ad Cylindrum aut Prisma inscriptum (super eadem basi aeque altum) eam rationem, sive fini- tam sive infsinitum sive plusquam insinitam, quam praecedentia Theoremata do- cebuni. Puta si planum sic rectarum series Subtertianis reciproca, cS index - adeoque ratio quam habet ad parallelosrammum inscriptum (Per PTOP. 64, e 202) ut F ad 3 (= - 5 ] X) hoc cE, uI: ad 2: Colidum ex cocidem planis constans in rectarum carum ratione duplicara, erit series Ouadratis Tubtertianorum reciproca, cujus in- dex (Per PFOP. 106.) DluS =5, _ ratio illius Colidi ad inscriptum eslindrum vel prilma (Cuper eadem bali aque. alium ) uc 2 ad 5 = F E, vel uc 3 ad utrobique ratio tinita. Per prop. 64 X202. Si planum, sc Series Sublecundanis recipro- ea, cujus index - 3, adeoque ratio iptius ad Parallelogrammum inseriprum ut 12d= = Solidum ex cocidem planis in rectarum ratione duplicata coultans, erit series Oua- dratis Sublecundanorum reciproca, vel (quod cancundem valet) leries Prima- nis reciproca, cujus index - 3, vel- Ideoque ratio hujus folidi ad Cylindrum vel Prilma (super eadem basi aeque aleum) ut F ad = L F F =0 (DeT PFOP, T03.) Nempe illic ratio tinita, hic simpliciter infinita. Si planum sic series Ouadraris Subter. tianorum reciproca, cujus index ejusque racio ad Parallelogrammum in- Seripeum ut F 2d3 =- 3 F F, vel ut 3 ad T. (PeF PEOD. 102.) toluum ex planis cotidem in rectarum illarum duplicala ratione constans, erit series Bignadratis Subtertianorum reciproca, cujus index Ee propterea rario ipsius ad inseripcum Cylindrum vel Prisma su- per eadem tasi aeque alcum ut 2 ad = 3 f 1 = - 3, vel ut 3 ad = + (Dex PFOP. 204.) Nempe illic rario finica, hic plulquam intinita Si planum Cir series Primanis reciproca, cujus index = +, adeoque ratio quam habet ad Parallelogrammum inscripcum ut r ad - c F F = O: (per PFOP. 1O3.) 50- lidum ex planis in rectarum illarum ratione duplicata constans, erir leries dua- draris Primanorum (hoc elt, Secuncanis) recipioca, cujus index = 2, e proprerea ratio INETNETORUK Vet PTOP. 1O2,