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

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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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513493LIBER VII. tem rectæ, DF, vel nihil eſt ſaltem ad alteram partem, ſi enim ali-
qua illius portio eſſet ad alteram partem rectæ, DF, iam recta, D
F, ſecaret figuram, BAC, quod eſt abſurdum, ergorecta, DF, tan-
git curuam, BAC, igitur poſſibile eſt, &
c.
COROLL ARIV M.
_H_Inc manifeſtum eſt quomodo ducenda ſit recta linea datam cur-
uam totam in eodem plano cum ea exiſtentem contingens, quæ
quidem data recta linea ſit æquidiſtans.
LEMMA IV.
SI propoſita quæcumque figura plana vni regulæ paral-
lelis quotcumque lineis ita ſecari poſſit, vt conceptæ
in figura rectæ lineæ integræ ſemper exiſtant:
Ipſa ex pa-
rallelogrammis rectilineis, aut curuilineis, ſeu ex figuris
in alteram partem deficientibus, regula eadem, compo-
netur.
Sit quæcumque figura plana, SPFR, talis tamen, vt ſecta quot-
cumq;
vni regulæ, vt, FE, parallelis, conceptæ in ipſa rectæ lineę
integræ ſint.
Dico ipſam, velex parallelogrammis rectilineis, aut
343[Figure 343] curuilineis, vel ex figuris in al-
teram partem deficientibus,
reg.
eadem, FE, componi.
Sint enim ductæ, SA, FE, op-
poſitæ tangentes figuræ, SPF
R, regula eadem, FE, quibus
incidat quomodocumq;
recta
linea, AE, moueatur autem, F
111. lib. 1 E, verſus, SA, ſemperæquidi-
ſtanter eidem, SA, donec illi
congruat, interim verò punctum, E, ita in ipſa feratur, vt deſcri-
bat lineam, ENA, cum, AE, figuram, ANE, comprehenden@em,
quæ eidem, SPFR, ſit æqualiter analoga iuxta regulam, FE;
in
eadem integris exiſtentibus parallelis ipſi, FE, ad ambitum, ANE,
terminantibus:
rurſus feratur recta linea, AE, verſus ambitum, A
NE, ſemper ipſi, AE, æquidiſtanter donec totam pertranſierit fi-
guram, ANE, adnotentur autem contactus lineæ ſic

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