# Leibniz Legible — https://leibnizlegible.com
# Piece: https://leibnizlegible.com/api/records/983/text
# Catalogue record: 983 — [Aufz. zu Differentialgleichungen]
# Incipit: 10z + 21 zdx + 22vdv + 12vdz = 0
# Date: 1676
# Record in the Leibniz-Katalog: https://leibniz-katalog.bbaw.de/de/extended-search?id=983&katnr=58565
# Work: https://leibnizlegible.com/work/00068051
# Title: Leibniz-Handschriften zur Mathematik LH 35, 6, 6
# Folios: Bl. 21 (from the shelfmark LH 35, 6, 6 Bl. 21): 2 pages, canvases 41–42, page ids 00068051:0041 to 00068051:0042
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068051&page=41
# Lines: 29 recognised on 2 of 2 pages, mean confidence 0.67
# Catalogue: Leibniz-Katalog / Arbeitskatalog der Leibniz-Edition (https://leibniz-katalog.bbaw.de/), ed. Arbeitsstelle Potsdam I der Berlin-Brandenburgischen Akademie der Wissenschaften, CC BY 4.0.
# 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, page by page: a "## Folio <label> — <page id>" line ("## Canvas <n>" where no folio label is recorded), "# " lines naming its source image and model, then its recognised lines in reading order, one per line.

## Folio 21r — 00068051:0041
# Source image: https://digitale-sammlungen.gwlb.de/content/00068051/jpgs/default/00000041.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 73, 2026-08-27T15:28:38Z — 27 lines, status machine
a
1eX dx + 2 X d + 22 Va + 2fV ax
fiat X L OI CV
+ 
S
ex = DdO
X- (3: D B = 4:d de = DdC = OdD, : DD a = 2d4 - 2d∞-
fiet n0DdO =, ddD + 21 ODd4 - 26443
D=
2=
2
Dd4 = 2247dD + 1275d0 = 122 OdD
e
Colte 20 +217 + 2299 + 23 y  66 = 20.20 42. 20. 219+2. 20. 229y+ 2. 23
1d=
30 +319+ 3Cyy + 33y eu 44 = 30. 29
+ 1. 21. 21. 2 4.2
+2. 30. 319 ptaut aute 
(yCD = 290 +20. 119 + 20. 429y +20. 43y et d. Sayf2yy 43. 23yy +924y
21. 40 +21. 41
22.40
21. 4L
-F22. 41
23. 40
DDd0 = 20. 1012e t104efu Y +20. 4ed22 yy
d
7

## Folio 21v — 00068051:0042
# Source image: https://digitale-sammlungen.gwlb.de/content/00068051/jpgs/default/00000042.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 73, 2026-08-27T15:28:38Z — 2 lines, status machine
E 3 + 9a d
 ax