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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)
# Folio 453, page id 779785487:0511
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L 1B. IId. DE R EFR ACFEONE, _C.
Fadius sC A D, Suam luminis vim
diftundar; sic eriam maius lucidum
Z in R cuius ris calis AE, re diffu-
Ioiam lumine, per medium den-
Cam, cuius radius sit AC, religuum
vircuris, Cit x quale residuo vircuris
lucidi Z, detracta (cilicet ca POF -
tione, quam conlumit per medium
rarum, cuius radius sir AC, igieur
lumen Z est maius, quia reliduum
illius viecutis vlera C, es aquale
reliduo virruris X, vlera C; (ed
decractum lucido Z, est illa vircus,
quam consumir in medio raro AC;
_ derractum lucido Z, es illa vis,
quam conlumit in medio denlo
AC; led in medio denso, plus vir-
ruris contumitur, qua in raTO,
aequalis excentionis, Peu radii; igi.
cur cum relidua sint aequalia, X
detractum Z maius, haud dubié
EOta vis, quae constar ex derracto
_ reliduo; est maior in Z, quam
in Z; Tlinc eriam constar, lumen
incentius in prima Cuperhicie CB
medii denti, in hoc calu, produ-
ci, quam si idem lucidum Z, per
medium densum AC agCret; de-
nique in reliqua porrione medii
densi, vlera luperticiem CB, Per-
inde omnino diftundieur, atque si
lucidum Z eler in A.
P RO P. V
Vitra sperorem CB. lucidum Z.
per medium dencum, non tam lonée
suam vim diffundet, quam lucidum
X. per medium rarum; etun luci-
dum Z Cuam diffundie per medium
rarum, vique ad vlcimam supert-
ciem DE; acgni per medium den.
Cum, lucidum Z Puam diffundet;
quia cum vlera CB, verique cadem
rircus reldua Ce, cerre longius dif-
cundirur in raro, quam in denlo,
DEE pTOP. 1. quousque aurem dit.
Funducur, ad iem nostram parum,
vel nihil Facie, sIcV. 9. vlque in
FIL; ita ve tocum lumen procu-
ctum in medio raro C, DE B, aequi-
nalear, vel ad eguer productum
in inedio denso CTIIB; Ilinc iin
Termento radii CH, Scruneur lex
radii, non camen quacenus les.
menrum C A ad medium rarum,
Sed ad densum perriner; respectu
Scilicer lucidi Z. poliri in A; hinc
hoc lumen vocari pores aquans;
cum ad aequandas diffutionis leges
lupponatur; leges inguam, cum ra-
dii, cum Cuperticiei, de quibus Ci-
Pea, in aXiOM. 5.
PROP. IZ
Cognita ratione densicatum, 
data sphaera lucidi X, in medio ra-
ro, diei potest quanam sit ratio lu-
cidi Z, ad X: Sic enim Sphaera lu-
cidi Z, in medio raro, cuius 12-
dius (IE AD, e eiuldem in medio
dento, cnins radius sIE. A C; (IF -
que ratio delicarum octupla; ergo
de Cphaerarum eadem; igitur cario
AC, AD Tuberiplicata SphaeraEUITIS
igieur AD est dupla AC: PEate.
rea lucidum Z ira difundie lumen,
inera Ipheram AD, edii rari, ve
Sic eadem porrio luminis, vel ve
melius dicam, aequalis in lingulis
Tuperticiebus v. 8 in CB, IFI, FD,
vElib. 2. demonstratum est; igieur
S ex toro effectu luminis diffusi,
intra coram (phaeram, collatur por-
eio diftula, inera sphaeram radii
AC, quod relidtuum est, luminis
Scilicer diftusi, est ad derractum.
VE CD, ad C A; EOE CNIII FUNE CU-
perticies, in (phaeca, cuius radius
est AD, quor Cunc puncta in AD;
igicur cum rancundem luminis in