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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 205, page id 1815201908:0262
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1815201908&page=262
# Source image: https://digitale-sammlungen.gwlb.de/content/1815201908/jpgs/default/00000262.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 59 lines, status machine
# Lines: 59 recognised, mean confidence 0.77
# 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.

lcom
ABP
dem e
usreli
veron
1C d ill
mul eur
Qualis:
EC cal
pundi
(que et
ad 61
A Cad
eltec
erimet
C2d
ReM C
srudi
E2
3t
OD
1
ad L.I
licala
IE, C
CaM
61
VEK6
EL
XN,
eNETIS
dem P
arcula
de lineatum in circulis potentia.
R OPOSITIO
Oncingane selecirculiduoin A paticto, per qliod acta concingens
 ultaa allt  lo HBD aquale esse.
AB, Occurrat cuinis F BD ICCaHe PCrimeErOS in E, G, II, D.
demonstratio.
Dacec, cum vecumque quadrato contingentis AB, xqualCSE.
PROPOSITIO LXIX.
Egmento circuli AB C inscriprum hccriarigulum ABC, à cuiusver.
Drice B, normalis demictatur BD.
Dico parallelosrammum AB C in angulo ABC, equari rectangulo
AC. BD.
c. e
Demonstratio.
DAralleloerammum ABC, duplum est  crianguli
ABC, sCd e AC, BD rectangiilum, ciusdem du.
plumest, cum basim habeac eandem AC, e BD alci- 
cudinemsigicur parallelogrammum AB C in angulo
ABC; aequale est rectangulo ACBD. Ouod CraL
demonctrandum.
PR OPOSIFIO LZX.
turlum lcomenco ABC inlcripcum tuericeriangulum, a curus ver.
icedemilla BD, aequidister conrinoenti CF.
eo rectangulum ABC rectansulo AC. BD aequale esse.
CC
o