# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/00068197:0109 # Permalink to this reading: https://leibnizlegible.com/page/00068197:0109?run=74 # Title: Leibniz-Handschriften zur Mathematik LH 35, 13, 2a # Folio 55r, page id 00068197:0109 # Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 54v); this page is its right half. # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068197&page=109 # Source image: https://digitale-sammlungen.gwlb.de/content/00068197/jpgs/default/00000109.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 122 lines, status machine # Lines: 122 recognised, mean confidence 0.70 # 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. D10g+ 1DE Quaeritur ergo fdx S(Xx tab, XF + ac) fit x = a, fiet Xx + ab = et xxtab, in, XxtaC = aa 0 taa D + 2aa Q P D abO D ego VO+ aa0Q ga DP + 2aa 4 1C et XX + aC = - acO aes +ons (4 OV 42b5Det Da bordab BC ( 1E+ ac Cp aabC +4a 09 44+962 24b500 10 hc On Htius aqatieea Fractionis Numerator ita explicandus estnt inde radix quadrata extrahi possit. Et eo pro latere ejas assumatur aam dBQ + aa 2 1DE, cujus quadratum am+ s sid hic obstaculum video. pars rationalis identificanda est rationali, et cum unum latus dividi possit per quadratum erib.aum + a 44 DC ben aper ubique praeterquam in nabi CODD, siquitur etiam OC)ND latenter, quidem di divisibile esse per Q, unde cum D e C, et 3 ot _ sint simplices sequitur alterutram horum esse priorum esse in constante ratione ad tertiam contra intentum Ergo _ mutata nihil Hypothesi, fiat X = aa 02 +na DE +2aa G) 1OD fis huet tabee ab extabtih Xx +ab = OD +tiq +2t 1CD 104+ 1+ 1OD+t et XXtac = O + hh + 2G16 Fet i Dohirhtalu si ducantur hi duo vabres invicem, erit, denominatorum quidem productum quadratus sed Numeratorum productum aequandum est quadrato, quod sit acaer a Latere 4 AC + Z +DE, cujus quadratum est 24 08 + Y )Q + 2244109. si am cdefficient partis rationalis identifice in hoc quadrato identificetur parti o irrationali in producto ex numeratoribus, pabebit in aequatione identilicatoria munia membra di, ex ceptii aliquibus in quibus est t. Unde a htanenu ad E tn ils 2 pi ration conparse edita ehgrus tratiore tartum tan sutatiam omnia erunt divisibolta per 4 praeter 1BDD, ergo etiam B ntD reculetur ad _ quod non licet. Ergo optis est Hyptothesi paulo manis composita etfiat X= froD + freet sive tat 10D + sC + sD + 2 (50) F + 1750101 aaitiue ab67 ab 2j2 4 2a55 10n prinum + ilam ra 46) Et curabimus comnes tres irrationaes in toto hoc calculo 124 ic id enim modo non aliunde impediatur calculum reddet breviorem 40 72.4 S. pro compendio st tab =4 Hstac = ah si iil. H et ipssus raxtab Numerator ert a, 9e dtit h quibus Nuneratoribus inirem ductis siet Taa, qugus ex) t h 2O) 4490GB e 644 agtt ani B+ d ab 22 at. . 4m e0 aticum igumeor no se t. Ha productum, ut ostendatur extrahibile quadratice, fingatur latus OD +E sE F.r ta cujus quudrulum est a, 50)+ 98B +_B0Y sii + 2a 5 + 2909 tOn Hoc identificandum est productu, et primum pars irrationalis irrationali.. Et notandum est in parte iratinali quad quadrati nullum non comparere membra ubi dD et 1OC et sBE mulsiplicentur per coiucidentia +948+ seu eadem. Ergo in producto apgrequlum omnium horum membrorum fiet aequale nihilo Et fiet g6) F ED d. d ggt 6)4 + adi2mZ C +Bgh CDG =0 math. L n in a0 d) eabs siet Xx + ab = +2b810n +2abh10) 2 a M 27 manifeste alterum aaaBq accb tach 72 aa 207 2act nifestiu C dant Aaa idem quodeminq. nisi Harum fractionum denominatorus invicem ducti, cumincidant, pnotacum, u Aatac pra b ponlturc b = m ftC = n +2a, 9On Et ipsius xxtac Aumerabient a, ROY +2. 61O) 1000 22c) +nOr traeson nZ10) 4to + 8gli CB fiOY nGYC etox a hae C1o Quun ht e stqu