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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 828, page id 1815201908:0885
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1815201908&page=885
# Source image: https://digitale-sammlungen.gwlb.de/content/1815201908/jpgs/default/00000885.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 21 lines, status machine
# Lines: 21 recognised, mean confidence 0.86
# 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.

DVCTNS PLANI
eLICAF1O
DOnatur parallelogrammum AB, culmcripralic quaus lincaC C.
Dico parallelogrammum AB inulciplicans sciplum, conficere soli-
dam magnicudinem paralle lexipedam aquale Colidis quae hunc ex luper-
ficicbus AC, CB sciplas mulciplicantibus; simul cum corporibus qua
exluroune ex mulciplicarione mutua planorum A C in C B bis Cumpta.
Nam (i ducancur parallela A C B infinica, omnia quadrata AB, X quan-
cur quadratis omnibus AC, C B una cum rectangulis omnibus AC B bis
as huius. lumpris. res ipicur exproposirione noctra vniverlali est manifecta.
PROPOSIIIOCC
Duinta libri secundielementorum.
i recta le  aeatae ea euara, LeCat  LOMa Guat-
buslegmenus corus comprehentum, una cum quadraco quodabin-
rermedia sactionum, aequale est ei quod a dimidia delcribitur quadraco.
APPLICATIO.
Ectangulum AB divictar rect C C BItatta a GCallo L Se.
DMICHLCMTAS PONaTUE CD. .
Cicoplalua Boate ona asuanem
na cum corpore quo d signe CD lciplum mulciplicans, aqualem quan.
cieari