# Leibniz Legible — https://leibnizlegible.com
# Page: https://leibnizlegible.com/page/1815201908:0893
# Permalink to this reading: https://leibnizlegible.com/page/1815201908:0893?run=74
# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 836, page id 1815201908:0893
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1815201908&page=893
# Source image: https://digitale-sammlungen.gwlb.de/content/1815201908/jpgs/default/00000893.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 28 lines, status machine
# Lines: 28 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.

896
DVCTYS PL A NI
APPLYC A F1O.
vin
irculum A C contingane parallelae L. F, OHT: de BB linea normali-
Crexillis inlictar, hane reccangulis ABC aqualia BD quadrara, erie
DDhyperbola vei luo. loco est demonstratum.
Dicoisicur ex menre propolicionis noltrae rniverlalis eria continsere.
Primum est magnitudinem Colidam relultantem ex duceu plani BD in
plana AD e DC aequari Colido quod producitur ex AD plano ducro
InDC.
Secundum est Colidum ex C B ducco in AD, DC aequari magnicudini
quae tic ex DC. Sciplum mulciplicante.
Terrium denique quod AC ex AB in AD, DC. Superficies, aequari
quancieari solidae ex AD Se mulciplicance. ilssis ceu
15
c11.
PRODOSITIO CCXI. IOq
1. ycle re
Centesima quinquaresima prima eiusdem libriseptimi collectionum.
VIc rectangulum AB C xe quale quadrato ex BD.
Dicorria concinsere, videlicer rectangulum quod excessu iplarum
AD, DC _ BD continetUE xquale esse recrangulo AD C; FECTanGU.
lum vero concentum excesu iplarum AD, DC _ C B, xequale esse qua-
drato ex D C: _ rectangulum contentum excessit AD, DC, et B A x
quale ese quadraco ex AD.
14. H1)
rbol.