I 5 J O
Plus feriet certe terram , minus alta veniret
Quam fi per loca dehibens, femperijue minora
Quo fpatia hrec capias, leviorem deferet idtiun.
At fpatia hrec poliunt infinite ellc minora,
Dum venias ad poftremum , dum Icilicet omne
De medio tollas fpatium, dum pondere preffii
Tantum illo fit humus, jam noh
impulfa, jacente ,
1535
Ergo infinita debet grave corpus ab alto
Prrecipitans
imam
terram vi impellere prre vi,
Qua premat immotum . Verum vis illa videri
Ex alia nequeat parte infinita; quod alte
Delapfum exiguum corpus nec vitrea frepe
1540
Tenuia disrumpat cafu fola, pondere magno
Qure fuper impofito, tantumque premente videmus
Rumpicr interdum, & difpergi in fragmina mille.
His ita fubjunftis, cum non fint corpora, dicunt,
Dura
428
P H I L O S O P H I
Ai
t u e n t u r , uc in prim is L c ib n iz ia n i,
v id en tu r fibi p o fle eludere h ujus
a rg u m e n ti v im d ic e n d o , nullum
h a b e ri in n atura corpus p c r fe & e
d u r u m , fed o m n ia cfle vel m o llia,
vel elafticajin m o llib u s autem , vel
clafticis c o m m u n ic a tio n e m m o
tus cx pcrcuflio n e fieri fine ullo
fa ltu . H o r u m th eo riam hic N o
fter p ro p o n it p r i m o , tum im p u
g n a t ea ra tio n e,q u a m e go adh ibeo.
A ju n t ig itu r , in im p u lfu i m
m ed ia to prim as particulas recipe
re m o tu m a p c r c u flio n e , qui n on
m o m e n to t e m p o r i s ,
fed paula
tim
c o m m u n ic e tu r toti m a f l x ,
d u m primae i l l x p a rticu lx in tr o c e
d u n t paulatim . A ddit N o f t e r , fic
eos explicare aliud p h x n o m e n u m ,
q u o d vid etu r p rim a fron te parad o .
x u m : q u o m o d o n im irum vis per-
c u flio n is , q u x debeat effe in h ni-
ties m ajo r fimplici p r c lflo n e , p ro
ducat fx p e e ffc & u m m ulto m in o
rem , q u am ipfa p r e f lio . Q u o d
vis pcrcuflionis debeat cfle inflni-
ties m ajo r fimpliec prefflone , id
p ro b a n t eadem ratione , qua olim
ad id ufus eft etiam G a lile u s . Si
co rp us gra v e cadat cx in gen ti a lti
tudine $ acquirit velocitatem in
ge n te m , cum qua deveniens ad
lo lu m exercet vim percuffionis fa
ris m a g n a m . Si cadat cx aliis a l
titudinibus m in o rib us y v e lo c ita s
acquifita eft m i n o r , S em in o r vis
pcrcuflionis , q u x d ccrefccn tc in
infinitum altitudine dccrcfcit in
in fin itum . -Quare ubi jam a ltitu
do fit nulla , Sc proind e gra v e n o n
c a d a t , n cc p e r c u t ia t , fed ta n tu m
m o d o in n itatu r , & prem at , v is ,
uam exercet^ co n tra fu lcrum ,
ebet efle inhnities m i n o r . Et
tam en fi ex. gr. fupra lam in am
vitream cadat co rp ufculum ex
e x ig u a altitudine j excipitur ab.,
ipfa fine fra & io n e : fi aurem i n
gens pondus im p o n atu r illi eidem
la m in x , ipfa c o n fr in g itu r . V id e
batur Sc ibi debere illa vis p crcu s -
fionis cfle infinities m ajor illa flm -
plicc pteflionc , Sc tam en tauro
m in o rem
efFcftum edidit .
Id
a j u n t , accidic cx co , quod in illa
p crcuflio n e , vis n o n cx critu r fi
m ul m o m e n to tem p o ris in to tam
m aflam , fed p aulatim , Si per
g r a d u s : dum p r im x p a rtic u lx in
tro ced u n t ,
m in u itu r p aulatim
