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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 750, page id 1815201908:0807
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DVCTVS PL ANL
Demonstratio.
lis IK ductxe in (0, igicur FIL ductum u LML aequale est C I ducto in IL. Quod
Tirculum ABC SeCenE p2
CoTallelE dux DB, F. F dia-
metri circulorum EKF.
BMD.
Dico GH ductum in HL,
ad CI ductum in IL. cam ha.
bererationem quam MIII du.
ctum in se, habet ad TKE du.
ctumin (c.
Demonstratio.
laxquala MIC Lectanoulis BFT D. id eltguadracis MFT. Similicer GI in IL X
quale est TR ducto in sC; igITUEVE M FT ductum in se ad TK ductum in lC, (C C FT du.
cum in HL. ad C ductum in Le demonstrandum.
IE AB C, DEB, item CHI
LDKLMI circuli concenerici, dt lin
nea BN, FLI qua circulos I L MB,
DE F contingunE in F. _ L (InE X
quales, ducaneur deinde diamerri
AC, CZ parallela ad BN, HII, du-
ctaq normali OL, tac illi aequalis
OP normalis.
Dico RS ductum in ST aequalo
cAe V X ducto in XZ.
NcCIHBacurenim ad B F deseribi quadrans DKK, crix tam FTF superticies du-
cta in laperticiem TMI, quam CT supcles ducta in PT. Superticiem aqua
exaE demorac antcum.
ADPOSITIO LX
DEanum CHI ductum in HL. aequale es M H ducto in le, quia O FTLECCtaneU
ROEOSITIO LXI.
Deae.