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

Table of contents

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[511.] SECTIO POSTERIOR.
[512.] COROLLARIVM XI.
[513.] COROLL. XII. SECTIO PRIOR.
[514.] SECTIO POSTERIOR,
[515.] COROLL. XIII. SECTIO PRIOR.
[516.] SECTIO POSTERIOR.
[517.] COROLLARIVM XIV.
[518.] COROLLARIVM XV.
[519.] COROLLARIVM XVI.
[520.] COROLLARIVM XVII.
[521.] COROLL XVIII. SECTIO PRIOR.
[522.] SECTIO POSTERIOR.
[523.] COROLLARIVM XIX.
[524.] COROLLARIVM XX.
[525.] COROLLARIVM XXI.
[526.] COROLLARIVM XXII.
[527.] COROLLARIVM XXIII.
[528.] COROLLARIVM XXIV.
[529.] COROLLARIVM XXV.
[530.] COROLLARIVM XXVI.
[531.] COROLLARIVM XXVII.
[532.] SCHOLIV M.
[533.] Finis quarti Libri.
[534.] GEOMETRIÆ CAVALERII. LIBER QVINTVS. In quo de Hyperbola, Oppoſitis Sectionib us, ac ſolidis ab eiſdem genitis, babetur contemplatio. THEOREMA I. PROPOS. I.
[535.] THEOREMA II. PROPOS. II.
[536.] THEOREMA III. PROPOS. III.
[537.] THEOREMA IV. PROPOS. IV.
[538.] THEOREMA V. PROPOS. V.
[539.] PROBLEMA I. PROPOS. VI.
[540.] THEOREMA VI. PROPOS. VII.
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393373LIBER V. dempto quadrato, ME, quia verò tripla, BE, eſt compoſita ex, E
X, &
dupla, EN, ſi a rectangulo ſub compoſita ex, EX, & dupla,
EN, &
ſub, EM, abſtuleris quadratum, ME, . i. rectangulum ſub,
MF, &
, ME, remanebit rectangulum ſub compoſita ex ipſa, XE,
EN, NM, &
ſub, EM, illas ergo tres componentes rationes in has
duas reſolutas habemus, ſcilicet in eam, quam habet rectangulũ
ſub, XEN, integra, &
ſub, EN, ad rectangulum ſub integra, XE,
EN, NM, &
ſub, ME, & in eam, quam habet, NE, ad, EM, quæ
duæ rationes componunt rationem parallelepipedi ſub, NE, &

ſub rectangulo integræ, XEN, ductæ in, EN, ideſt parallelepipe-
113.6. .1. di ſub integra, XEN, &
quadrato, NE, ad parallelepipedum ſub,
ME, &
rectangulo integræ, XE, EN, NM, ductæ in, ME, . i. ad
parallelepipedum ſub integra, XE, EN, NM, &
quadrato, ME,
ergo omnia quadrata, AF, demptis omnibus quadratis hyperbo-
læ, DNF, ad omnia quadrata, SF, demptis omnibus quadratis
fruſti, HDFG, erunt vt parallelepipedum ſub integra, XEN, &

quadrato, NE, ad parallelepipedum ſub integra, XE, EN, NM,
&
quadrato, ME, quod erat oſtendendum.
PROBLEMA I. PROPOS. VI.
A Data hyperbola portionem abſcindere per lineam
ad eiuſdem axim, vel diametrum ordinatim appli-
catam, cuius omnia quadrata, regula propoſitæ hyperbo-
læ baſi, ad omnia quadrata trianguli in eadem baſi, &
cir-
ca eundem axim, vel diametrum cum portione, ſiue hyper-
bola abſciſſa, exiſtentis, habeant datam rationem, quam
oportet eſſe quidem maioris inæqualitatis, ſed tamen mi-
norem ſexquialtera.
Sit ergo data hyperbola, FEG, cuius axis, vel diameter, E M &
larus tranſuerſum, CE, cuius ſit, AE, ſexquialtera, baſis, &
regu-
la, FG, data ratio, quam habet, HR, ad, RL, maioris inæquali-
tatis, ſed minor ſexquialtera, oportet ergo ab hyperbola, FEG,
per lineam ad, EM, ordinatim applicatam .
i. baſi, fiue regulæ,
FG, parallelam, portionem, ſiue hyperbolam abſcindele, cuius
omnia quadrata ad omnia quadrata trianguli in eadem baſi, &

circa eundem axim, vel diametrum cum ipſa habeant rationem,
quam habet, HR, ad, RL;
quia ergo ratio, HR, ad, RL, eſt mi-
nor ſexquialtera, erit minor ea, quam habet, AE, ad, EC, &

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