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# Page: https://leibnizlegible.com/page/1815201908:0836
# Permalink to this reading: https://leibnizlegible.com/page/1815201908:0836?run=74
# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 779, page id 1815201908:0836
# Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=1815201908&page=836
# Source image: https://digitale-sammlungen.gwlb.de/content/1815201908/jpgs/default/00000836.jpg
# Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 26 lines, status machine
# Lines: 26 recognised, mean confidence 0.66
# 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.

e
1
Y PL A N V H
ROPOSIFIO CXI
InE ABC, ACD parabola dux aequales d similes, Tubalcerno siru
Polx, actaq. per A verticemtanSenEC AD, iungantur A C.
Dico FGplarium ductum in planum HIL aequale esse FI C. plano du:
eto in planum IHE.
Demonstratio.
eAtve AHC Id ACC, rectangulum: (cdrE ATTC ad AL C, sC O FTR rectat-
ZIICCCtUE AC in L, POSiEaquEDEFL, linea P B F MN parallela concingenti AV,
POnantur ipE F. Ninsinicx aequidist aes FC LLLR. rectangulu F HII ad F L. M
e perniandoL en al BAIKHF LM ad BL. H. led cum aequales de li-
pulum est adrectansutum DL HDC FICL A L.LM, ICOTLK a VL L13
milcs uue Palabula de kC ia L. billeclatic. cectauientum t dotit aquacue ll.l
rectansulo recollisicur exIs qua in parabola demonietal: lsItuF d LH l aqua-
le cRrectangulo CHIK: Guated LLLa211,  1L au LLL le Pernucanuo ac
dividendoreeC ad cH, iL ad 1,   L ACllani a aaa A
ectati Blco CtlLR. EFGOpCE 4b. hUIUS PAECE retITaS prOpOiOnIS.
ssitiii
suti
Mtt161
3
35
t e1e19
  a eit ut . sten ea    t   st.