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# Title: [Physica, Id Est, Scientia Rerum Corporearum, In Decem Tractatus Distributa] Physica, Id Est, Scientia Rervm Corporearvm, In Decem Tractatvs Distribvta (shelfmarks Leibn. Marg. 7:1-2; ZEN Leibn. Marg. 7:1-2)
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18. 3
LIB. TI. DE AL TER A TION EO
perticies versus C, quor puncta in
SCGIEHEO PC; _E FOT VertuS A, quoF
puncta in legmento P A; igituE
collectum fuperkicierum, ad colle.
Etum, VEPC, ad PA; sed porriones
luminis Cune ve praedicta collecta,
cum in vna superticie cantumdem
SE luminis, quantum in alia; igieur
dici porest ec.
PROP. LXVFF.
Si lucidum esset tantum enum
punctum, tancumdem esset locis in
illo quantum luminis in tota sphaera,
salcem aegninalenter; Ouia cum cau-
Ia necellaria cum estectu (IE PFO-
porrionara; vel producie effectum
minorem, vel maiorem, vel aequa-
lem; Ei minorem, ergo vel lubdu-
plum, vel luberiplum ac. si maio-
rem, ergo vel duplum, vel cri-
plum, ac. nihil horum dici porecti
cur enim rnum potius quam aliud;
igitur equalem producie; igieur
cancumdem est lucis in caulas id est
in praedicto cenero, guancum lu-
minis in peaedicta (phaera, dixi equi-
valenrer, quod Facile incelligitur.
PROP. LXVIII.
In praesatis frustis solidis coni se-
cti; luminis incensio aqualis non est,
licet luminis porrio aequalis sit: Y. 8.
SIE COnUS AFHI, lic FruCtuMBCKD;
cexte lumen in D K NOn est vela-
ien in BC, cum lumen in BC; SIE
ad lumen in DR, VE quadFaTUI L A,
2d quadrarum OA, PeF PrOP. 62.
perimutando; v. 8. incensio coni
ioitur in diverss parcibus fructi
Pradicti, luminis intentio inae qua-
lIS eA, DE PaFCE: SI Eaen in LIHM-
lis Frusti parcibus aequalis intensio
supponatur, dici porest quanam
proportio intentionum sIC; CrUNE
AB C etter ad incentionem frusti
BCDK, ve hoc Fructum ad illum
conum, idcA ve 7. ad 1. Sed Cum
incensio in lingulis parcibus ejus-
dem Fructi aequalis non siE, Frustra
in his Fructis haeremus, pralerrin
cum plura e plura fere in infini-
cum Frusta accipi possine.
PROP. LXIZ.
In ipsa luminis disfusione, decres-
cit lumen in ipsoradio, salrem aequi–
nalenter, versus extremam superfi-
ciem sphara: Sic enim (phALE Fa-
dius AB. Cnr octo legmenca a qua- Fig. 5.
lia, de quibus iam Lu∞FA N, EL, MI, C,
_c. Sicque in N, lumen ve 64. in
FI CTIE VE F6. IN MI 7 =. XC. Per
PrOP. 63. igieur decrelcie in Fa-
dio A B versus B, id es verlus
extremam Cuperticiem sphaerae; dixi
in radio, quia in Caperticie non de-
crelcie porrio luminis, cum in Om-
ni Sphaera Luperticie aequalis (IEi
decrelcir tamen in ipta Tuperficie
incentio, in ea scilicet proportio-
ne, in qua crelcir una superhcies.
Cupra aliam, re patet ex dictis; in
radiis vero decrescie porrio lumi-
nis, de incensio; veraque scilicet
in eadem proportione.
PROP. LXZ.
Decrementa illa sunt maiora ini-
tio, id est inxta centrum sphera, mi-
nora versus finem, vel extremam
superficiem spharae; assumpris scilicet
seomentis axis aequalibus: Sic enim
idem axis AB, vesupra, scque lu-
men in 164. in EI, 16. II M.
 F. in C, 4. In L, 2. 27. _c.
decremenrum primum eAt 48. cum
Sr difterentia 64. ∞ 16. Secundu
enim incensiones ve ipla fructa, ett 8. 3. rercium, est 3. 5. vides
5C3
quIar