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# Title: [Problema Austriacum Plus Ultra Quadratura Circuli] Problema Avstriacvm Plvs Vltra Qvadratvra Circvli (shelfmark Leibn. Marg. 230, Stück 1)
# Folio 1136, page id 1815201908:1193
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QY ADRATYRA CIRCYLI.
PR OP OSITIO L. V
DArabola L. A B habeat aquales diamettos AD, BF, quas in F _ C,
L proporcionalicer dividane orthosonxe I FL, 116O.
Dico rectangula K F L, HCO este aequalia.
DEmonstracum reperiesin libro de patabola propoltione 45.
Obserua propropositionibus sequentibus.
Preuicaris causa paralle lepipeda quae ex ductu onius rectaneuli in alterum produentur, post-
hac duabus lirteris descenabimus. FXempli gratia paralle lepipedum quod signitur ex rectan-
sulo A ducto in rectangulum L, vocabimus parallelepipedum sive solidum A L.
Similiter brenitatis gratia solidum quod fit ex rectanculo aliauo ducto in seipsum unica tan-
rum lircera desenabitur exempli eratia parallelepipedum quod producitur ex t rectaneulo
inse ducto vocabimus solidum A.
PROPOSITIO LVI.
Neraparabolam do  constiture sinebine aquales diamerri a B, a d,
quas inx que multas parces equales diuidane para llelE lince Du, dC, Rc.
v,20, _c. ductisque lineolis ad diametros parallelis, Formencur rectan.
Sula A, C, D, F: C, tb L,K: P, Q, R, S: L, M, N, O, ex quibus in scipla du-
etis producantur (olida parallelepipeda A, C, D, E, ec.
Hlis ita consticuris s lumaneur ex Colidis A, C, D, E, L, MI, N, O, O, H,
TIE, P, O, R, 5, quacuor solida quaecunque exempli gratia A, O, P, L, hac
tamen lese vebina A e L; C, _ P consiltane circa rectas DF_, V BV, que
diameeros a B, c d proporcionalicer secent in F. X F.
Dicorationem lolidi A ad Colidum C este candem cum ratione Coli.
di P ad Colidum L.
Demon-