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

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159139LIBER II. neſque ipſorum ſolidorum, LDGF, 3687, ſimiliter ad eandem
partem
diuidentibus, conceptę (vt probatum eſt) inter ſe ſimiles, vt
ipſæ
, DEF, 647, necnon, MK {14/ }, 9 {10/ } {11/ }, &
omnium earundem
linearum
homologarum regulæ duabus quibuſdam, nempe ipſis, O
E
, Φ 4, æquid ſtantes, &
earum incidentes ipſæ, EF, 47, necnon,
K
{14/ }, {10/ } {11/ }, quę omnes incidentes iacent in plano ſiminum figurarum,
LFG
, 378, &
ſunt earum homologæ, æquidiſtantes ipſis, LQ,
3
{12/ }, communibus ſectionibus planorum incidentium figurarum, L
FG
, 378, &
oppoſitorum tangentium, quarum quidem figurarum
1126. lib. 1. plana ſunt ad plana tangentia, vt dictum eſt, æquè ad eandem par-
tem
inclinata, &
cum ipſæ, inquam, figuræ, LFG, 378, ſint ſi-
miles
interſe, nam ex.
g. eſt, EF, ad, 47, vt, OE, ad, Φ 4, ideſt
22A. Def. 10.
lib
. 1.
vt, LG, ad, 38, quæ diuidunt ſimiliter ad eandem partem ipſas, L
G
, 38, (quod etiam de cæteris probabitur) &
cum anguli, LGT,
3326. lib. 1. 38 {13/ }, ſint etiam æquales ſuperius dictis conſequenter, &
ijs, quæ
lib
.
1. Prop. 26. oſtenia ſunt, ideò, inquam, & ipſæ figuræ, LFG,
44Defin. 11.
lib
. 1.
378, &
ipſa iolida, LDGF, 3687, pariter ſimilia erunt.
Nunc ſolidum, 3678, planis, oppoſitis tangentibus parallelis,
in
talia fruſta diuiſum intelligatur, vt quæ in ipſis ducuntur rectæ li-
neę
ipſi, 38, æquidiſtantes, in ciſdem fruſtis ſingulę integrę habean-
tur
.
i. ita vt ductarum ſic linearum, quæ ad fruſtorum ambientem ſu-
perficiem
terminantur, pars quidein non ſit intra fruſta, pars verò
extra
, ſed totæ intra, vel ſaltem nihil earum extra reperiatur, hanc
etenim
ſectionem ſupponere ſieri poſſe nullam inuoluit repugnan-
tiam
, cum hoc totum ſolidum ex duabus linearum translationibus re-
ſultans
ſit interius integrum, enim vero ſi præfatum ſolidum in fru-
ſta
quæcunque per dicta plana parallela icinderetur, nec in ipſis con-
tingeret
, quod attentamus, denuò facta fruſta planis prædictis pa-
rallelis
continuò reſecaremus, vt tandem omnis lmearum, ipſi, 38,
æquidiſtanter
in d ctis fruſtis ducibilium, fractura tolleretur:
Eſto igi-
tur
, quod hoc obtinuerimus per duo plana, 9 {10/ } {11/ }, 647, oppoſitis
plan@s
tangentibus parallela, qu@bus ſolidum, 3678, intria fruſta,
3647
, 6 {11/ }, &
, 9 {10/ } {11/ } 8, ſectum habeatur eius rationis, qualem di-
ximus
, in his ergo ſingul s fruſtis ductæ quæcunque ipſi, 38, æqui-
diſtantes
, &
ad eorum ſuperficiem terminatæ, integræ habebuntur.
Sit vlterius in alio ſolido, LDFG, diuifa, LG, ſimiliter ac, 38, in
punctis
, E, K, per quæ tranſeant plana, DEF, MK {14/ }, oppoſitis
planis
tangentibus parallela, quibus ſolidum, LDFG, in tria fru-
ſta
ſcindatur, LDEF, D {14/ }, MK {14/ } G, erunt ergo etiam hęc fruſta
eius
rationis, qualem cupimus .
i. omnes ductę ipſi, LG, æquidiſtan-
tes
, in ipſis fruſtis conceptæ, integræ erunt;
quodex eorum ſimili-
tudine
facilè oſtendi poteſt, ſi enim aliqua ex.
gr. in fruſto,

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