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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 783, page id 1815201908:0840
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1815201908&page=840
# Source image: https://digitale-sammlungen.gwlb.de/content/1815201908/jpgs/default/00000840.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 35 lines, status machine
# Lines: 35 recognised, mean confidence 0.79
# 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.

B. P
ion
Bli2
HI.
iB,
H
L A N V M
Demonstratio.
783
ex TTI duclo in TI. aequale est corpus ex RL In LL (CUm FTT, IK lincc, veexhy-
Pocheli deducie, a GaeS HHE) Fesgna isirur duo corpora nimirum ex ductu OFLin
TE ex ex ductu Lk i L M aequadid .
TL, _ TR in LM; isitur corpora duo ex C HL in IF, _ ex HI in IE; aequalia
sune duobus Corperibus orris ex ductu LR  TL, SC CX IK in LM. SCd corpOri
DEanum FC ductum in LE aequale ponituE TK plano ducto in TM: sed FC
plano ducto in TI aequantur corpora orta ex ductu GFT in II, _ ex HL in
TF: et TK plano ducto in TMI, duo xquancur corpora, nimirum ex ductu LK in
DOTrisii Idem arcubus cirtu C. C, AA, e paralletIS lineis DD.
BB, AEB, CFD: SECOrpuS ex A B in BHI xquale corpori ex ductu
DicoDC in BG duccum, proterre corpus aquale illi quod oritur
R OPOSTFTO CXX.
GB in alcicudinet BD; Sic auretm C G linca recta.
ex AB ILGFI. 11
Demonstratio.
DEanum AB in BEL eguale ponicur OB dutoM BD. ICl A B in BHI, ∞qu2.
cuE AB in B C, _ A B in C: FT. Similicer GB in BD, XquatuE C+D I BC
vel in BA (cum CB, B A aequales Inc lince) una cum G B in BC; igIEUE COF.
pora duo, ex DC in B G, _ ex C B in BC, Egaa  ribus, ex
AB in B C, _ AB in GFT: ablacis isitur xe qualibus ninsI _I A B aCS M BC
_ C B ducco in BC, remanebic DC in BC aequale AB  
CP sit C eSDCB C
e
cvii. d B R O.
11
Aet s p  t e a  s 1  t t  p 11