# Leibniz Legible — https://leibnizlegible.com
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# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi; Opera Mathematica (shelfmarks Leibn. Marg. 100:1/2, Stück 1; Leibn. Marg. 100:1/2)
# Folio 235, page id 851387705:0255
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=851387705&page=255
# Source image: https://digitale-sammlungen.gwlb.de/content/851387705/jpgs/default/00000255.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 27 lines, status machine
# Lines: 27 recognised, mean confidence 0.82
# 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.

aE DLCA F1O.
In Paraboloeide Cnvicali A cen
duoniam est AP. PF: : F. 3.
Ereo  PR. Pa:: 2. 3.
t posito PR. DO: : F. a.
Frit Pa. D0:: 3. 4: : 2. 31.
Ruia vero Pa. BO:: YCAP. VCAD:: YCPR. V5DO.
Erit Pa. DO:: VCF. VCa:: F. VCa.
Et propterea = a = V ca.  a = 3 V Ca = Vc27 a
adeoque a = 27 a. a = 27.  a = V 27 = 3Y3.
Zdeoque Pa. DO:: 3. 3V3: : 2. V3.
Et AP. AD:: PR. DO: : F. 3V3.
POrro; Duia AP. AD: : X. 3Y3.
srsO AP. AP:: T. ZV3.
Et AP. Pp: : T. 3V3 - 2.
Et quia P a. D:: T. V3.
sireo Pa. PX : : L. ZV3
Tum quia S a. p X : : SX. pC.
hoc est Pa p+. B+:: P p. pC.
ergo F = = Y3. 313: : 3V3 = +
Edcoque AP. PC. . 1. 7 - 113
3... Pp. BC.
Et AP. PC:: L, 3Y3 -+ + 2= 2V.
:: x. 2
Et proplerea AP. AC: : 1 = 313. 13:: 2. 413+6.
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