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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 386, page id 1815201908:0443
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1815201908&page=443
# Source image: https://digitale-sammlungen.gwlb.de/content/1815201908/jpgs/default/00000443.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 37 lines, status machine
# Lines: 37 recognised, mean confidence 0.75
# 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.

A R AB OZ A.
A AE. L _ 2 D e 1 t 23t 1ponii   XC
 t
et riul
bolam aua Guauis pacallelae AB, C. D, quas vicun.
Dico esse ve AGB rectanoulum ad rectangulum DHC SIC FC L re.
ctangulum ad lela a EELL..
et ait eesp et X. C ed inoncit iuvo Demonstratio.  1es. loceA
CiRigantur ex FI _ C diametri FFK, GL. erit
isieur ve GI ad HK, 2 sc AO B rectangu-
lum ad rectangulum DHIC: Scd ve C IadHR,
siC F CF rectangulum quoque ad b rectangulum
F FIF; igicur ve AC B rectangulum, ad rectan-
Sulum D HC, sic FC F rectangulum estad re-
Atanxulum FHF. Quaerac demonarandum.
mu PRO POSIFIO L
Sco AB C parabola inscriplum criangulum ABC cuius duo latera
AB, C B, dux quenis sccene FC aequidistantes AC in FI et l. 
Dico elleve FH Ci rectangulum ad rectangulum F. HIC sIc FIO re-
 1t
130
 eti
que in C _ EI, dividaclinca F. F.
5
eteZe1B Ba
ECCHE ABC
a6 hairts-
617. hninr.
ctangulum ad rectangulum L1.
Demonstratio
FctaH SMIuHI L EFC Cs ad crectangulum FFT G, ve AH B rectangulum est ad
Caghuius. L rectanoulum AHB: _ FFC rectangulum est ad rectangulum FLC, veCTB
rectangulum est ad rectansulum C: IB: CAt aurem VE A HI B rectangulum ad FCCtan.
sulum ATIB, sic CIB recrangulum ad recrangulum C IB quia exiiidem ratio.
nem habeane compolicam, isitur ve F HT C rectangulum ad reccangulum FHC,
AC FPC reccansulum el ad recrangulum FLG. Ouod erat demonstrandum,
ee