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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 195, page id 779785487:0253
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si
EiB. 4
L1B. II. DF S0N15.
eltet, s sublato plano audiens esser vndae, succedie vnda, interiecta
in IL; igitur si Conus ve lumen
diffundieur, ab hoc genere speculi
hieret Fcho; de si nullum est impe-
dimentum.
PROP. CLZXXIV.
Tlinc ego concludo, Echo non fieri
per simplicem reftexionem; Proba-
tur, quia quocunque candem Epc-
culo oppolito, quae cunque candem
lic illius Forma, ec figura, quae-
cunque materia, non senrirur ccho,
id ett rox reperira distincta; nec
quiiquam est, qui le audinisse ce-
lari possic; equidem opera speculi
audicorii, rox prima regecior, Ar-
mior, diveurnior cuadie; aE COn-
tendo, heri non polle, opeta cu-
instibet speculi, re postquam pri-
mum rocem audieris, IFOLUI, FCF-
eioque audias; equidem lupPOnune
Plerique omnes, rem ica Aeri. eriam
i) qui CuaS (UPEE CA LC COIMMENEZ-
tiones in lucem ediderune; led con-
Culane quaelo experimencum, et
omnis generis specula, ne vlce-
rius hallucinentur, e puris puris
Paralogilmis abstincane, quos ab
ria luminis analogia accer Tunt.
PROP. CLXZXY.
Sonus ve lumen non reflectitur:
Probatur quia si reAeCtCRCEUE VE
lumen, omne genus speculi, in in-
Aa distantia collocatiFaceret Fcho;
Per P. 181, 182. 183. Sed nultum
genus speculi Facir echo per p. 184.
igitur fonus ve lumen non rehle-
eticur: rario à priori est, quia (0-
nus diffundicur successine, lamen
in instanti; ille per OCUM COrPO-
Eis; hoc sine moru locali, per pu-
ram qualicaris diffutionem; ille
Scilicet morula; hoc vero torum
Amul.
PRO P. C.L ZZZVL
Flinc luminis directi diffusio nullo
modo restexi diffusionem, per idem
medium, impedit: Nec enim lu
men est concrarium lumini; idem
que Cubiectum veriulque capAX
Cst; nempe perinde Les le habee,
acque si eltene plura lucida, quae
idem medium collustrarent: COn-
Cule Ei vis experimeneum, quod
perspicuum est, cuius rationem
acculi.
PROP. CLZZZVL1.
Flinc si sonus restecteretur, ac dif-
fundereeur vt lumen, soni directo
aisfusio nullo modo restexi diffusionem
impediret; Probatur quia luminis
directi diftusio; reflexi diftulio-
nem non impedic, Per P. 186.
Igieur si Ponas reAlectCECEUE vE lu-
men, directi diffusio, sefexi diftu-
sionem non impediret.
PROP. CLXXXVIIL.
sionem impedit; Probatue primo,
experiencia, quia nils hanc illa im
Pediret; haud dubic Ponus reAexuS
Juum effectum Corriretur; igirur
ab omni speculo nalceretur echo,
contra experientiam, _ p. 184.
Secundo probatur analogia clarissi-
ma, pecica ab vndis agua, qua
Postguam ad lictus appullae (uNE,
nuIIo modo reAeCtUNEUT; Sed dil-
perguntur illarum partes, nec prio-
FeI OEdineI, vel CONLIMLIILRLCI
FerHaNE; PFObatuL certIO, a prio-
Fi, quia vel luccedens rnda impen
vndarim (ve AC loquar) nempe dic, ne anrecedens per camdem
Bb 2. viat
Soni directi diffusio restexi dissit