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

Table of contents

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[481.] THEOREMA XLI. PROPOS. XLIII.
[482.] THEOREMA XLII. PROPOS. XLIV.
[483.] THEOREMA XLIII. PROP. XLV.
[484.] THEOREMA XLIV. PROP. XLVI.
[485.] THEOREMA XLV. PROP. XLVII.
[486.] THEOREMA XLVI. PROPOS. XLVIII.
[487.] THEOREMA XLVII. PROPOS. XLIX.
[488.] THEOREMA XLVIII. PROPOS. L.
[489.] THEOREMA XLIX. PROPOS. LI.
[490.] SCHOLIVM.
[491.] COROLLARIVM I.
[492.] COROLLARIVM II.
[493.] COROLLARIVM III.
[494.] COROLLARIVM IV.
[495.] COROLL. V. SECTIO I.
[496.] SECTIO II.
[497.] SECTIO III.
[498.] COROLLARIVM VI.
[499.] APPENDIX.
[500.] A. COROLL. VII. SECTIO I.
[501.] B. SECTIO II.
[502.] C. SECTIO III.
[503.] D. SECTIO IV.
[504.] + COROLL. VIII. SECTIO I.
[505.] A. SECTIO II.
[506.] B. SECTIO III.
[507.] C. SECTIO IV.
[508.] D. SECTIO V.
[509.] COROLLARIVM IX.
[510.] COROLL X. SECTIO PRIOR.
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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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