# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/00068198:0003 # Permalink to this reading: https://leibnizlegible.com/page/00068198:0003?run=74 # Title: Leibniz-Handschriften zur Mathematik LH 35, 13, 2b # Folio 2r, page id 00068198:0003 # Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 1v); this page is its right half. # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068198&page=3 # Source image: https://digitale-sammlungen.gwlb.de/content/00068198/jpgs/default/00000003.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 84 lines, status machine # Lines: 84 recognised, mean confidence 0.86 # 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. y = hX: 1 y. AC, C. F C(C: H2H = AB: AL se Se) = ah. V: C:x = SII+h: l. Ergo deA= xhdh: l S+hh, seu FC jam CG: BB se dx = X. h et CG = 1X. X. h cu G ex dx (2 X. HL = Habetur ergo CG quadratum si detrahas quadralum et hadetur quadr. F G. Ergo jum cF habetur, si a quadrato C(C) detrahas quadr a7 et fiet cF2 = dh dh X: H = Xhi dhdh: U (H3 hh) seu Ct (ah+h: () dtr X: H) U + hR = hh, (I+ sih. seu CF2 = fiet FG.- Th X: (l + hu) id detrahendo à C dx (et (X. HC) = ati x. (1 hi AC = AF quia ax geremiranto habetur vel datim relatio inter X et , tio ex, et oltu, quae oia turbat en angulus non datus sed alia one quid si summcuus ex uno pun afferentalis diversi grnus per couiderandum auliceat aptius fingere, an alius molus (ono) seu DG: C0 Rem eo rec. rem resumamus sit : a (compendio pro dyidx et sit data aequalio langentiatis = Ha (2d0) y. l. a commodius ut calculum institummo ido y X. t. a quod sig nnficat esse relationem rahovalem, uti sane rationalis, 2d) t= X, y; a 1 assumatur 3iol ad cqvam AC (tertio) + = X. y, h; a et fiet (4to) X; y; a V = X. y;h; a 2 y X. h a 7. posito y in aeq. 3 ad nullam potentiam Unde fiat (5 tos enseu quod in arbitrio nostro esst Hinc DE e _ dx Asec X) tia B3 et CG = dh d (sec. hd) X; h; a rY. 2 vel irationatem assurrex. no et L: a = dx De sem dx) 3C + eG. Lx seu DG:, DE + 5G = X; y; h; a V seu dx: dx d (SCc X) Xihi a; 13) dhd (sec h) X; h; a 2f. 3) = X; y; 6, _ Suo unde tollendo y per aeg. 5. fiet (guo) dx ax d sec p) pih, a 3) +Ah ) X: h, a (imo F: a seu. DG; CD, = dy: dx _(2do) + = X; y; a 1. 1) Cstio) + =. y, Xi h; a . 2) Meti distructius sic: Sed qui y inveniri difficilius aequ pure, video id non esse necesse nam si aeg8. 4 differentietur secundum y, et X habebitur De, utm si aequ. 4 ifferentietur spendii causa ut calculum instituamus commodius et universalius rem resumamus. Sit (imo (dy: ax = t: a = DG: Cd. sit data curvae CG aequatio langentialis seu ratio Da DGad CD. data per X, y, a, fietque ((ado) 0- G b. X ya (nt rati (2do t = X: y: a rat., posito t haberi rationaliter assumamus ergo tertio srursus rationaliter t = X; y; Lja lu ut scilicet certo casu t sit d seu p lamentis determinatio sit da determinata ex x, y, et constante a, in curva, et constantissima a pro curvis AC omnibus, h variante a curva AC, ad curvam A(C.). His positis per aeq. 2 et 3 fiet Xiyia rat. 1= X; y; h; a rat. 2 Hanc ceq. 4 differentiando secundum y et X, fiet dytalis, = (sto) DE, et eandem aeq. 4 defferentiam cux SE se differentia inter duas umm X( eempe A y ejusdem cura bineae AC nempe cuter BC et BC, sed EC, discrimen tnber poti e inter duas cursas eide at diversarum X nempe AB et AB, atque adeo diff. inter BC et BE at EG diff. inter duas y ejusdem X seu AB, sed diversaua linearum AC et A(C)m nteradque adeo diff. inter BE, et BG. unde et quia t: a = dx:, DE+ EG, seu I L hini pro t: a toltndo in xr. 7. valorem per aey. 2 bel n nam eodem redit, e. L onend pro DE, et EG ponendo valores utique rationales ex aeg. 45 et 6 prodibilae 9. 4) in qua habetur dh: dx = X; y; h; a at. 3), ubi si cum ope cqq. 74 ut 8 tollendo Y, sunt tali potet si vel x res reducta eset ad quadratura n+tale scilicet tan- nentis curvae (4 propuetat existentes in C Xiffihi a (14)