# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/1815201908:0433
# Permalink to this reading: https://leibnizlegible.com/page/1815201908:0433?run=74
# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 376, page id 1815201908:0433
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1815201908&page=433
# Source image: https://digitale-sammlungen.gwlb.de/content/1815201908/jpgs/default/00000433.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 32 lines, status machine
# Lines: 32 recognised, mean confidence 0.87
# 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.

376
AR A BOL A.
SEb. huius. sE TD ad DR, vE AE adt F C (quia F, A FC lineae in idem punctum diamerri
conveniune) ixicur et reliquae LC, HIK quoque sune aequales. Duod erat demon.
RC
T1O XXX.
Arandum.
Equidistet rurtum in ABC
Lpatabola, reCtR AC, L F, po.
nanEH Que per A e C diamerri
AG, LIC OCCUTFCNEOS P. F linex
in 6 _ FI.
DicO F O, FFL lincas esseiner
Ce aequales.
Demonstratio.
DOnatur AD diamecer linearum
AC, B F. Ouoniam F F, AC li-
n DOSIEX Cunc ad dIA EErUM FD, CrUNE A C, B F in D de Pbitariam
DROPOSITIO XXXI.
Aco angulo ABC et puncto in ilo D, 0.
orcetper B e D parabolam delcribere cu-
ius diamcls sic BC _ A B eandem contingens.
Constructio es demonstratio.
n
dinilae, sed _ GTI in D bitariam est divila, cum GHI aequalis sc rectae AC, isi.
cur reliquae P G, FPF, sunt incer se xquales. Ouod erar demonstrandum
cacur ex VmesDC parallela AB occurrenSBC
linceinC: harque M BC ad D C, SIC DC ad AB
erir AB lacus rectum parabole quaelite, ac proinde de-
cerminaca est parabola oue pecebaFUF..
0 S 2td
vimd. sc sc lae 3t C8 3. 15. 1 112 Ct L ct 1. 1115 113 : 1 it ee 1dst