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# Title: Leibniz-Handschriften zur Mathematik LH 35, 11, 18A
# Folio 415, page id 00068191:0415
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Ad prop 14 signo)
Nam posito motu libero
ex vi semel impressa procedente
hoc est rectitineo uniformi
ante concursum non possunt
discerni hypotheses (per prop. 16
Cap de dtrectione quod quidem
Geometrice constat (ex cuprio
prop. 16. Cap. de Directione
Sed nec concursu discernuntur.
Nam  modo eadem sit
corparum celeritus respectiva
corpora eodem modo agunt
in se invicem, seu eadem est
vis ictus per prop. 7. hic
Vis autem ictus hoc est efficit,
ut translata in Elastrum corpora
Vis autem ictus transfertur in corporum
Elastrum, et per corpora con-
currentia nisi Elastrum ipsit vim extoto aut parte
restitueret, in ferrentur simul,
nunc igitur prae terquam (ut ostendimus
ad prop. 10.) Et Elastro igitur eam
restituente in corpora proportionaliter
duo componuntur motus, x (non
arbitrio fingentium nostro, sed ipsa ab ipsa
natura rei un us communis alter
moprius corporibus reciproce proportionalis
videm priori aequalis, atque adeo priorem
reddens celeritatem respectivam ut
ossendimus prop. 10) Si Elastrum