Viviani, Vincenzo, De maximis et minimis, geometrica divinatio : in qvintvm Conicorvm Apollonii Pergaei

Table of contents

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[301.] PROBL. X. PROP. LIX.
[302.] PROBL. XI. PROP. LX.
[303.] PROBL. XII. PROP. LXI.
[304.] PROBL. XIII. PROP. LXII.
[305.] MONITVM.
[306.] THEOR. XXXVIII. PROP. LXIII.
[307.] THEOR. XXXIX. PROP. LXIV.
[308.] THEOR. XL. PROP. LXV.
[309.] THEOR. XLI. PROP. LXVI.
[310.] LEMMA XIII. PROP. LXVII.
[311.] THEOR. XLII. PROP. LXVIII.
[312.] COROLL. I.
[313.] COROLL. II.
[314.] MONITVM.
[315.] DEFINITIONES. I.
[316.] II.
[317.] III.
[318.] IIII.
[319.] PROBL. XIV. PROP. LXIX.
[320.] SCHOLIVM I.
[321.] COROLL. I.
[322.] SCHOLIVM II.
[323.] COROLL. II.
[324.] SCHOLIVM III.
[325.] COROLL. III.
[326.] THEOR. XLIII. PROP. LXX.
[327.] COROLL.
[328.] THEOR. XLIV. PROP. LXXI.
[329.] COROLL.
[330.] THEOR. XLV. PROP. LXXII.
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COROLL.
SI datum ſolidum fuerit quodcunque Sphæroides, vel Sphæra; patet re-
liquam portionem ſolidam, dempta _MINIMA_ nuper inuenta, eſſe
_MAXIMAM_ quæſitam.
THEOR. LIII. PROP. LXXXIII.
Æquales portiones ſolidæ eiſdem Conoidis, vel Sphæræ, aut
cuiuslibet Sphæroidis, ſi fuerint de eodem Conoide Parabolico
11Conuer-
ſum Pro-
p. 79. h.
habebunt axes æquales.
Si de eodem Hyperbolico, vel de Sphæ-
ra, aut Sphæroide quocunque, erunt axes proprijs ſemi- diametris
proportionales.
At ſi fuerint de eodem Cono recto, extrema ip-
ſorum axium pertingent ad idem inſcriptum ſolidum ſimile, &

concentricum.
SInt duæ de eodem quocunque prædictorum ſolidorum portiones æqua-
les, quarum recti Canones concipiantur transferri ſuper eadem ſectio-
ne A B F per ſolidi axem ducta (hoc enim fieri poſſe manifeſtum eſt, cum
ipſi recti Canones intra ſolidas portiones intercepti, ſint portiones eiuſdem
ſectionis, quæ in reuolutione circa axim ſolidum genuit) &
ſint A B C, D
E F, quarum baſes ſint A C, D F, &
diametri B G, E H, quæ ſimul ſunt
246[Figure 246] axes ſolidarum portionum.
Dico, in prima figura exhibente 223. Schol.
69. h.
Parabolicum, axes B G, E H eſſe inter ſe æquales, &
in ſecunda exhibente
Hyperbolicum, atque in tertia Sphæram, vel Sphæroides, quarum centra
ſint O, eſſe axim H E ad ſemi-diametrum E O, vt axis G B ad ſemi-dia-
metrum B O.
Ex altero axium, videlicet ex E H, ſecetur in prima figura ſegmentum
E I ipſi B G æquale;
& in reliquis, fiat O E ad E I, vt O B ad B G,

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