# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/00068207:0169 # Permalink to this reading: https://leibnizlegible.com/page/00068207:0169?run=74 # Title: Leibniz-Handschriften zur Mathematik LH 35, 15, 5 # Folio 85r, page id 00068207:0169 # Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 86v); this page is its right half. # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068207&page=169 # Source image: https://digitale-sammlungen.gwlb.de/content/00068207/jpgs/default/00000169.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 98 lines, status machine # Lines: 98 recognised, mean confidence 0.83 # 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. C Aequatio ad curvam (onicam neralis est voce = p _ H. v= fiat Z = 31X + 32y + 30t et v = 49X + 4 y +40 b EZ aq. (4) 2. 40. 42y = = 313 XX + 35 31. 32 Xy + 2. 30. 31XX + 30. 30HY Z- F32.37 97 12. 303rfy 4. 400. 31 YX + 3or t 00. 3L 8y seu transferendo omnia membra in unum latus totumque aequando nihilo 5 = fiale Z=LXL 3K + 329 F30N. Et substituendo valores iat Et substituendo 41. 41 XX + 2. 41. 42Xy + 2. 4D. H1 fX +40. 40 f VV = 42. 42. 9y I +X 31. 31XF + 732. 31 yy + 2Y3132 Xy + 2. 30. 31Y X +2 3032Y y +30. 3ort -41. 41 - 42. 42 = 2. 91. 42 .. = 2.40. 41t = 2 40421 - 40. 40 H + 1. 00. 31 Y +1. 00. 3t Y, 4 00. 30 rt iden fificetur iatae aequationi multiplicatae per 50 soL NXX + rgu ta 13Xy + 00. gitx +eoprty +50. 10tt identificatoriarum Harum artlrarum Gex aequationum aps in seniamus 31, 32, 30, 41, 42A0. et erit Et opo ni fallor aliqua super numeparia 50. si sit Rursus ex aegq. 2 et 3, inveniamus X et y per Z et V) X = 00Z = 32y - 30t, : 31 = 00V - 42y - 40t,: 41 00. 41Z = 4 32. 41y - 30. a1F = 00. 31V - 31. 429 - 31.40t, et firt y Fiet y = 00. 31V - 00. 41Z + 30. 41 t, :, 131. 4L. permutam 0 3. et 4. item Z et V _ manet idem - 32. 41 = 31. 40 Nam eodem modo Y = 00. 41Z = 00. 31V. + AV. 31 t 3:, +41. 32 quod est sindicium 41. 30 = 42. 31 Calcili probi Hiac pari jure per mutando. 1 ut 62 ex valore ipsius y, fiet valor ipsius X = 00. 32b - 00. 42 Z + 30. 42t,: 132. 41 2 32. 40. - 31. 42 (sol Hinc pro. N, Et duoe valores ipsius ipsorum X et y, habent uundem denominatites signo disserentes vel accipiunt seu habent eundem denominatorem, signis numeratoris etdenominatoris in alterutro mutatis Hinc si in valoribus X et Y pro 30, 31, 32, 40. 41. 42 substituamus valores im inventos ex aequationibus sex identificatoriis, A Habebitur modus datam aequationem generalem localem secundi gradus seu ad Conicam reducendi ad formam aequationis 1. superest ergo tantum ut sex illas aequationes absolvam exequamur. sint binae aequationes 1AXX + 19yy + 15Xy + 12 ax +13aG + 10aa = 0 Locales ad Conicat 24XX + 29yy + 25 xy + 22 ax + 23 ay +20aa Videamus an X et y sic explicare possimus, ut _trobiue tollantur L, et xy Xy A et X, et y Hoc succedit in omnibus p ex Conilis eacoppta pprabola sit _ _ X = 31X + 32 + 30a et y 41X + 42 +40 a a Hincaou Excepo. 1. fit 14Xx = 1. 31. 31. XX + 2.1431. 32X+ 2. 14. 30. 31af + 14. 3u. 3uaa Hinc fit 3 3 pro tollendo Hb aZ 1. 32. 33 Ct + 2. 14. 30 32 a) 199y = 19. 41. X17 F +2. 19. 4. 42 + 2. 19. 40. 41 ax + 19. 40. 40aa I9. 42M1 2. 19. 40. 42a 15Xy= 15, 31. 9122 + 15. 31. 42+ 15. 31. 40 ax + 15 340ay 1532. 42 W 15. 32. 41 12 AX C 12 ax = ay = 20aa = 15. 30. 41 ax 15. 20. 92 ay 15. 32. 40a) 15. 30.404a 15. 30. 42 a 12. 00. 31 aX + 12. 00, quaa c2. c0. 32 av 13. 00. 41 aZ +13. 0v. 4u aa 13 00. 4247 o 00 ua 10. 00. 00aa pt 2. 14. 30. 314 15.31. 30 + 12. 0b. G =c 2.19. 40. 91 15.37. 41 13,. 0. 41) protollan . 14.3031 + 1732. 10 + 12 0032 2. 19. 40. 42 15. 30. 12, 13, 60. 12s pro tollendo XV 2.19. 31.32 4 15. 31. 42 219. 41142 + 1G. 32. 41 Eadem ad aequ. 2 per mutando tantum l. et7. Autg, 2 et 3 anenta a aqus infertm a s a resisim. G3 1 5