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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 858, page id 1815201908:0915
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1815201908&page=915
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 31 lines, status machine
# Lines: 31 recognised, mean confidence 0.87
# Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German.
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# After the first blank line: the recognised lines in reading order, one per line.

DV CTVS PL ANI
5.
10 cC
XXZV
Ine dux parabola ABC, ADC consticutx ad cemsument axeta
DF, ductaque sic cangens F. D, e linex AB, , achlque AO, X
quidistans axi DF.
Dico OP, quae media eet et e e patabolam.
RO
iaem
Demonstratio.
Vadracum CM, aequu et rectangulo GFF, sinivl cum qu act al A M d
parab.
b 193. d
arab
M quadeacum aguatur OMK rectangulo, hoc elt OM L. lmul cum
Prop. 42. OM. KL: Ced quadraro LIM, aequale est OM L, rectangulum,  ve ostensuni est li-
brode parabola; isitus seclans a LLL, rectangulum OMI. R L. aquale orniledl
ponancurinter OM; RL. medie OP, erie OP, Parabola lecundum b ea gux libro
de parabola diximus,cur eriam medieincer OFL FTI, hoc est O P, crir vera pari.
bola. Ouoderar aeoaeu
Corollarium.
InCeAt manifectum CorpuS ex ductu plani C FI, in FIL planum EgualC CHC maeMI
Lrvom qux habetbasim RF, de alcicudinem ONI, vel illi quae extaa u
Au plani OP, in seiplum per propositionem quadeasclimam quincam huius libri.
PROPOSITIO CCRKATII
Riangulum rectandaum AB C diuilum lic recunquerecta L, que
aquidittet BC.
rationem eius, quam habet linca AF. ad AC.
Dico  C   ab 
Demun.