# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/851387705:0336
# Permalink to this reading: https://leibnizlegible.com/page/851387705:0336?run=74
# 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 316, page id 851387705:0336
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=851387705&page=336
# Source image: https://digitale-sammlungen.gwlb.de/content/851387705/jpgs/default/00000336.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 37 lines, status machine
# Lines: 37 recognised, mean confidence 0.92
# 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.

DE SECTIONEBAS PTOP. XVIII
menta illius Prramidocidis, sermentis hujus Cunei analogis crunt d
qualia sue tam Pyramidocides tocuna ican n ela
notae crunt mentura.
AHIB rectum SiF, (Licuc e AS lupponiur cidem criangulo recta elle,) dt
plano HIBS parallelum: Rectanxula Angula hujulmodi sectione tacta, puta BDS,
Si enim Cuneus ille Hyperbolieus plano ubivis secetur, quod plano Frianguli
Cuneus aurem ille Hyperbolicus, est frustum Pris-
matis (plano abscistum) super basi AHIB crecti;
alticudinem habens super puncto A aequalem rectae
AS, Cuper punctis autem LI, B, aequalem recta FIS.
Adeoque notae menturx.
Est autem hic Cuneus, Regresatum Cunei Parabo.
lici FIB ASEE, _ Pgramidis SP FS. Ouod pate.
bic R secari incellixacur plano S FP parallelo erian.
sulo AFTB.
Ouod ipsum etiam concludi porest ex calculo. Cum
enim singula Onadrata DO, vel rectangula BDS in
Cono, aequentur lingulis agoregatis BDxDF. + BD
X FS; manifestum elt OMMIA BDXDE, (DET PFOP. LL.)
aequari Cuneo Parabolico, alque omnia BDX FS (per
PFOP. 6.) Pyramidi.
Cuneus aurem ille, sire consideretur ur Frultum
Prismatis, sive ut agxresacum Pyramidis et Prismaris
(Cuneire Paraboliem) crit nox mentura; Adeoque
de Pyramidocides Hyperbolieum (huic aeguale) erir
nOtX mentura.
Ouod autem de Pyramidoeide ex quadratis DO di
Etum est pariter etiam conveniret PVramidocidi ex Oua-
draris O0 Cordinarim inscriptarum) nili quod hoc ettet
illius quadruplum.
Zlem
aequalia erunt singulis BDS in cono detignatis, hoc est, singulis quadratis DO:
adeoque axpresatum eorum aggresato horum; hoc est, tocum Pyramidocides
coti Cuneo; acque (eadem ratONC) Sesmenta illius analosis sesmentis hujus.
Nodo interim curetur ut eadlem retineatur Pyramidocidis et Cunei Alcicudo; ut
Duacrata unius ee Rectansula alterius aequalem supponantur crassitiem habere.