Cavalieri, Buonaventura, Geometria indivisibilibvs continvorvm : noua quadam ratione promota

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402382GEOMETRIÆ ſimilia, & ex ratione, quæ in huius Theorematis ſupradi-
ctis
caſibusinter illa duorectangula primò loco expoſita
fuit
.
Sint aſſumptę quęcunq; hyperbolę, BAD, HMQ, circa axes,
vel
diametros, AC, MP, circa quas ſint quoq;
triangula, BAD, H
MQ
, &
in baſibus, BD, HQ, latus autem tranſuerſum hyperbolę,
BAD
, ſit, GA, cuius ſexquialtera, VA;
& larus tranſuerſum hy-
perbolę
, HMQ, ſit, MX, cuius ſexquialtera, MR, ſint autem ex-
poſitæ
duæ vtcunque rectæ lineæ, FY, EN.
Dico omnia qua-
drata
hyperbolę, BAD, regula, BD, ad omnia quadrata hyper.
274[Figure 274] perbolę, HMQ, regu-
la
, HQ, habereratio-
nem
compoſitã ex ea,
quam
habet rectangu-
lum
ſub, VC, XP, adre-
ctangulum
ſub RP, C
G
, &
ex ea, quam ha-
bet
parallelepipedum
ſub
altitudinehyperbo-
, BAD, &
ſub qua-
drato
, BD, ad paralle-
lepipedum
ſub altitu-
dine
hyperbolę, HMQ,
baſi
quadrato, HQ;
quod oſtendemus ad
modum
Propoſ.
10. Si
verò
comparentur om-
nia
quadrata hyperbolæ, BAD, ad omnia rectangula hyperbolæ,
HMQ
, ſimilia rectangulo ſub, HQ, EN, oſtendemus illa ad hæc
habere
rationem compoſitam ex ratione primò dicta inter illa re-
ctangula
, &
ex ratione parallelepipedi ſub altitud ne hyperpolæ,
BAD
, baſiquad ato, BD, ad parallelepipedum ſub altitudine hy-
perbolæ
, HMQ, baſi rectangulo ſub, HQ, EN;
hocq; oſtende-
mus
iuxta methodum Propol.
antecedentis. Sitandem compa.
rentur
omnia rectangula hyperbolæ, BAD, ſimilia rectangulo ſub,
BD
, FY, ad omnia rectangula hy perbolæ, HMQ, ſimilia rectan-
gulo
ſub, HQ, EN, oſten demus propoſitum de his hoc pacto:

omnia
rectangula hyperbolæ, BAD, ſimilia rectangulo ſub, BD,
FY
, ad omnia quadrata eiuſdem, BAD, ſunt vt rectangulum ſub,
BD
, FY, ad?
? quadratum, BD, . i. vt parallelepipedum ſub

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