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

Table of contents

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[61.] COROLLARIVM.
[62.] THEOREMA IV. PROPOS. VII.
[63.] THEOREMA V. PROPOS. VIII.
[64.] COROLLARIV M.
[65.] THEOREMA VI. PROPOS. IX.
[66.] COROLLARIVM.
[67.] THEOREMA VII. PROPOS. X.
[68.] THEOREMA VIII. PROPOS. XI.
[69.] COROLLARIV M.
[70.] LEMMA PRO ANTECED. PROP.
[71.] THEOREMA IX. PROPOS. XII.
[72.] COROLLARIV M.
[73.] THEOREMA X. PROPOS. XIII.
[74.] THEOREMA XI. PROPOS. XIV.
[75.] THEOREMA XII. PROPOS. XV.
[76.] SCHOLIVM.
[77.] THEOREMA XIII. PROPOS. XVI.
[78.] COROLLARIVM.
[79.] THEOREMA XIV. PROPOS. XVII.
[80.] COROLLARIVM.
[81.] THEOREMA XV. PROPOS. XVIII.
[82.] COROLLARIVM.
[83.] THEOREMA XVI. PROPOS. XIX.
[84.] COROLLARIVMI.
[85.] COROLLARIVM II.
[86.] THEOREMA XVII. PROPOS. XX.
[87.] THE OREMA XVIII. PROPOS. XXI.
[88.] COROLLARIVM.
[89.] THEOREMA XIX. PROPOS. XXII.
[90.] COROLLARIVM I.
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page |< < (90) of 569 > >|
11090GEOMETRI Æ byperbolam hic babentur, circa ſectiones oppoſitas, quirum communes
ſunt dictæ paſſiones, quoq;
intelligi poſſe. Eadem verò nedum in dictis
integris ſolidis, ſed etiam in eorum portionibus, ſiue in portionibus ſe-
ctionum coni abſciſſis per line as ad earum axim, vel diametrum ordina-
tim ductas, pariter verificari manifeſtum eſt.
LEMMA.
PRopoſitis duabus quibuſcumq; ſimilibus figuris, duæ quæuis re-
ctæ lineæ earum homologę poterunt eſſe incidentes, vel in ipſis
productis reperientur ſaltem earum incidentes, &
oppoſitarum tan-
gentium, quibus ipſæ incidunt ad eundem angulum ex eadem parte,
erunt autem dictæ homologæ ſemper inuentarum incidentium par-
tes proportionales.
Sint duæ quæcunq; ſimiles figuræ planæ, IQsP, 487R, in eiſ-
que duæ quælibet homologę, Is, 47.
Dico has eſſe vel incidentes,
vel in eiſdem productis reperiri poſſe incidentes prædictarum figura-
rum, &
oppoſitarum tangentium, quibus occurrant ipſæ homolo-
gæ, productæ, ad eundem angulum ex eadem parte, quales ſint, D
L, dO;
pu, g Y. Ducantur autem vlterius oppoſitę tangentes, quę
62[Figure 62] ſunt regulæ homologarum,
ls, 47, ipſæ, Ad, Co;
F
g, KZ, quarum, &
dicta-
11Corol. 19.
& p. 24.
rum figurarum incidentes
ſint, AC, FK, parallelæ
2223. huius. ipſis, DL, pu, hoc .
n. fieri
33Coroll.
2. 19. & p.
24.
poteſt;
erunt autem etiam
ipſæ, d O, g Y, regulæ ho-
mologarum, cum faciant
angulos æquales cum regu-
lis, dA, gF, vt ſuppono,
&
inueniri poterunt earum,
&
dictarum figurarum inci-
dentes parallelæ eiſdem, A
d, Fg, ſint ipſę, LO, uY,
tales incidentes:
Vel ergo
homologæ datæ, ls, 47,
terminantur ad oppofitas
tangentes, DL, dO;
pu,
gY, velnon, &
tunc producantur, & ipſis incidant in punctis, E,
f;
℟, & , & vlterius productæ vſque ad, AC, FK, ſecent ipſas in
punctis, B, G.
Vlterius vel, Ho, XZ, tangunt ſetotis, vel

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