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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 850, page id 1815201908:0907
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# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 16 lines, status machine
# Lines: 16 recognised, mean confidence 0.90
# 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.

DVCEVS DLANF
Demonstratio.
Prolomons (V n parallelA (InE FTPS, CA, isicux rectangulum HTBI, C A; una cum rectat.
lib. 1. pro. gulo CFI, N A, id est quadraro C FI, id cAD F] C, Xquacur quadrato AFT, id
BSoren. CA R O exhypocheli. Poirue RO ductum in se exccdic AB C ductum in A C quan-
s. 24.
sib. 2. P. 4t. Ficate K M in sC dueta. Quodtuir demonstrandum.
PROPOSTTIO CXZXVII.
AbCAnE ABC, DE F circuli duo concenerici communem diame.
Leralem DF, ductisque ex C extremitare diamerri circuliminoris,
secantibus C BF, aganeur per B linex orchogonx BC I ad diametrum
AC occurrentes illi in G; dein C. B lineis eranslaris in normales HI, ad
diametrum AC, a qua bitariam secentur in G; Hanc B F. lincis xquales
B, HIK, irem IL.
Dico cam punctatrl, quam H L. ad veras esse para bolas.
Demion.