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

Table of contents

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[321.] E. SECTIO V.
[322.] F. SECTIO VI.
[323.] THEOREMA XI. PROPOS. XII.
[324.] THEOREMA XII. PROPOS. XIII.
[325.] COROLLARIVM.
[326.] THEOREMA XIII. PROPOS. XIV.
[327.] COROLLARIVM.
[328.] THEOREMA XIV. PROPOS. XV.
[329.] ALITER.
[330.] THEOREMA XV. PROPOS. XVI.
[331.] THEOREMA XVI. PROPOS. XVII.
[332.] COROLLARIVM I.
[333.] COROLLARIVM II.
[334.] THEOREMA XVII. PROPOS. XVIII.
[335.] COROLLARIVM.
[336.] THEOREMA XVIII. PROPOS. XIX.
[337.] COROLLARIVM.
[338.] THEOREMA XIX. PROPOS. XX.
[339.] COROLLARIVM.
[340.] THEOREMA XX. PROPOS. XXI.
[341.] COROLLARIVM.
[342.] THEOREMA XXI. PROPOS. XXII.
[343.] THEOREMA XXII. PROPOS. XXIII.
[344.] THEOREMA XXIII. PROPOS. XXIV.
[345.] THEOREMA XXIV. PROPOS. XXV.
[346.] THEOREMA XXV. PROPOS. XXVI.
[347.] THEOREMA XXVI. PROPOS. XXVII.
[348.] THEOREMA XXVII. PROPOS. XXVIII.
[349.] THEOREMA XXVIII. PROPOS. XXIX.
[350.] THEOREMA XXIX. PROPOS. XXX.
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297277LIBER III. ponatur hic vtraq; portio, quæ reuoluantur ſemel circa, FM, & ſe-
mel circa, RV, pateb tergo, quam rationem habeat, Malum citrium
ad ſegmentum ſphæræ genitum ab eadem portione circuli, &
quam
habeat Oliua ad ſegmentum ſphęroidis genitum ex eadem portione.
COROLLARIVM XXIV.
IN Prop. 27. aſſumitur iterum fig. Theor. 21. tum circuli, tum el-
lipſis, &
nunc, jſdem figuris hicappoſitis, colligimus ſolidum ſi-
milare genitum ex portione, TCFEY, tuxta regulam, FI, ad ſolidum
fibi ſimilare genitum ex eadem portione, iuxta regulam, TY, eſſe, in
fig.
circul, vt cylindr cum ſub, IM, & portione, TCFEY, vna cum, {1/6},
cubi, TY, ad parallelepipedum ſub altitudine, FI, baſiverò rectangulo
ſub, FI, &
ſub ſexquitertia duarum, IH, HN. In ellipſis verò fig. habe-
re rationem cõpoſitam ex ea, quam habet cylindricus ſub, IM, &
por-
192[Figure 192] tione, TCFEY, vna cum ea
parte cubi, TY, vel parallelep-
pedi, ſub, RV, &
rhombo, RZ,
ad quam eiuſdem cubi, vel pa-
rallelepipedi ſexta pars ſit, vt
quadratũ, CE, ad quadratum,
FH, ad parallelepipedum ſub
altitudine, CE, baſi parallelo-
grammo, AG, in fig.
Th. 6. &
ex ea, quã habet quadratum, F
H, ad rectangulum ſub, FI, &

ſub ſexquitertia duarum, IH,
HN.
Pro noſtro igitur exem-
plo reuoluantur portiones, T
CFEY, ſemel circa axes ma-
nentes, TY, &
ſemel circa axes
manentes, FI;
ex reuolutione
igitur facta à portione circuli
circa, TY, fit, Malum Roſeum,
ex reuolutione verò eiuſdẽ cir-
ca, FI, fit maius ſegmentum
ſphæræ:
Item ex reuolutione
facta à portione ellipſi, TCFE
Y, fit, malum cotoneum, circa
axim, TY, ex reuolutione verò eiuſdem circa, FI, fit maius ſegmentum
ſphæroidis:
Igicur malum roſeum ad ſegmentum maius ſphæræ, &
malum cotoneum ad ſegmentum maius ſphæroidis iam dictum, ha-
bent ſupradictam rationem, vt &
ſolida ſimilaria, & c.

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