# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/00068199:0113 # Permalink to this reading: https://leibnizlegible.com/page/00068199:0113?run=74 # Title: Leibniz-Handschriften zur Mathematik LH 35, 13, 2c # Folio 57r, page id 00068199:0113 # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068199&page=113 # Source image: https://digitale-sammlungen.gwlb.de/content/00068199/jpgs/default/00000113.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 50 lines, status machine # Lines: 50 recognised, mean confidence 0.76 # 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. ly gar db +B sAXCX). Qua seriei L + + L +: etc. summatio pendet ab hac quad comaeetue abhuc a curva con- structione cujus aequatio entialis est tangentialis sit dy: dx as(dx: X) : 1b+ x fiet dydx = (240) dx dx a sClx : X):, b + x =(3ti0) dcodeo constanti ede(4to) dydx. Et differen fiando aequ. 4 fiet dy dax + dxddy = (5to) 0 et adx: ddus = (6to) - dx: dy. jam ex canone generali est ddy: dus = (7 mo) d (dx: dy): (ddx: ddly) aY et siet 2 log dy = D log (dy: dx). seu 2 log seu dydu: do doo = dy: dx seu dydx = modeo ut ante. unde nihil hiuc obtinemus novi quod mirum non est cum calculum institue rimus communem omnibus curvis, seu quisi aliquid dedisset novi, solvisset omnestan gentiales aequationet qualiscunque fuisset aequ. s (b +X) dy = a dx sdx : x a dx sdX: X = deo fieto dd X fdx: X +dx p - dx: Xsax: X sed facile intalligitur hinc asi aequationem ec ubi valor ded praecodentem redire posse seu vatorem dy., aa x aa dus =) xxdx + yydos sit xptgaqe et ix ax + rydus = ad tollere y et du. Nam ex 1 XX = aa e (v+ Z) aa: possumus yy=aasAZ. fiet dam ax a dB.x) a ( i_) fiat dx = a d (v: Z et dy = a(dz: Z): 2 4543: 2 21ua (d7. dz an av: Z)- rag Q + 1 + in 1 et fret sed A- dZ- s L AiZ 10- AZ