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# Title: Leibniz-Handschriften zur Philosophie LH 4, 1, 4a
# Folio 19r, page id 00068502:0109
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rere rationem dictorum magistri nobis suffecerit, in con-
sistentiam regularum monstrare. Si B et C. sint aequalia
et occurrant sibi velocitatibus aequalibus reflectetur tam
B quam C. velocitate qua venit per req. 1. diminuta
iam continue velocitate ipsius C, manente velocitate
ipsius B; necesse est B. minuo reflecti adeoque
C. magis, quam ante, cum quantum uni aequalium
celeritatio detrahitur tantum alteri andatur. Eva-
nescente iam veocitate ipsius C. seu quiescentee.
quaeritur quantum celeritatis detractum sit reflexioni
ipsius B. Regula Cartesii praesens ponuntiat tan-
tummodo detractum ee quadrantem. Jam pergendo
minuamus nonnihil C. quliescentis magnitudinem
otique ex req. paecedenti B. perget, ergo per muta-
tionem casus otcunque paroam, fit ingens mutatio
neuentu, seu fit sattus, nam in eventu ex magna
celeritate reflexionis B tribus scilicet quartis poistinae
celeritatis) cum C. quiescens ei aequartur, nunc
C. tantillum diminutio sit subito destructio omnimala
reflexionis, uno quod plus est concersio eius incontra-
rium nempe in progressum, casibus intermediis satim
transmissis, quod absurdum est. Dicendum igitur est
in casu aequalitatis inter B et C. quiescente
C. ante ictum, quiescere B, postictum, et totam
suam celeritatem transferce in C. id que etiam
colligitur ex eo quod veruni est regulis 4et5.
Ddam per req. 4. incuerente B. inquiescens C.
maius otique reflectetur B. ruisus per regs.
incurrente B in quiescens C. minus otique perget