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

Table of contents

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[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.
[351.] THEOREMA XXX. PROPOS. XXXI.
[352.] COROLLARIVM.
[353.] THEOREMA XXXI. PROPOS. XXXII.
[354.] COROLLARIVM.
[355.] THEOREMA XXXII. PROPOS. XXXIII.
[356.] COROLLARIVM.
[357.] THEOREMA XXXIII. PROPOS. XXXIV.
[358.] SCHOLIVM.
[359.] COROLLARIVMI.
[360.] COROLLARIVM II.
[361.] COROLLARIVM III.
[362.] COROLLARIVM IV.
[363.] COROLLARIVM V.
[364.] COROLL. VI. SECTIO PRIOR.
[365.] SECTIO POSTERIOR.
[366.] COROLLARIVM VII.
[367.] COROLLARIVM VIII.
[368.] COROLL. IX. SECTIO PRIOR.
[369.] SECTIO POSTERIOR.
[370.] COROLL. X. SECTIO PRIMA.
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341321LIBER IV.
COROLLARIVM.
_H_Inc patet, ſi àuæ rectæ lineæ ad axem obliquæ parabolas conſtitue-
rint, ſumpta pro regula conſtitutæ parabolæ recta eam conſtituen-
te, quoniam rectangula ſub dictis parabolis, &
figuris diſtantiarum ea-
rundem ad omnia quadrata parabolæ, cuius baſis ſit ad axim recta (quæ
pro eadem ſumatur pro regula) ſunt, vt quadrata diametrorum earun-
dem ad quadratum axis illius tertia parabolæ;
quod ideò illa rectangula
erunt inter ſe, vt diametrorum earundem parabolarum quadrata fuerint
quoq;
inter ſe.
THEOREMA XXVII. PROPOS. XXIX:
OMnia quadrata parabolarum, regulis baſibus ſuntin-
terſe, vt omnia quadrata parallelogrammorum, in
eiſdem baſibus, &
circa eoſdem axes, veldiametros exi-
ſtentium, regulis eiſdem baſibus.
Manifeſta eſt hæc propoſitio, nam omnia quadrata dictarum
parabolarum ſunt ſubdupla omnium quadratorum eorundem pa-
1121. huius rallelogrammorum, endemregulis aſſumptis, ſcilicet parabolarum
baſibus iam dictis.
A. COROLL. SECTIO I.
22A
_H_Inc colligimus concluſiones, quæ de omnibus quadratis parallelo-
grammorum collectæ ſuntin Theorematibus _9.
10. 11. 12. 13._
Lib. _2._ regulis ibidem aſſumptis, ſuppoſitis quibuſdam conditionibus
circa altitudines, vel latera æqualiter baſibus inclinata, &
quadrata
baſium, vel ipſas baſes, veriſicarietiam de omnibus quadratis parabo-
larum, ſuppoſitis eiſdem conditionibus circa axes, vel altitudines, vel
circa diametros æqualiter baſibus inclinatas, &
circa quadrata baſium,
vel eaſdem baſes;
nam his conditionibus axibus, vel altitudmibus, vel
diametris, &
quadratis baſium, vel ipſis baſibus competentibus, etiam
altitudinibus, vel lateribus parallelogrammorum, æqualiter baſibus
inclinatis, &
quadratis baſium, vel eiſdem baſibus, pariter conueniunt,
quæ quidem parallelogramma ſint in eiſdem baſibus, &
circa eoſdem
axes vel diametros cum parabolis;
& ideò dictæ concluſiones, quæ

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