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# Title: Leibniz-Handschriften zur Philosophie LH 4, 1, 4a
# Folio 13v, page id 00068502:0098
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(27. 38) Verissima et indubitata naturae lex est, quod
eadem ret, quantum in se est, semper in eodem status
perseuerat quam et Galilaeus et Gassendus, et plerique
alii dudum tenuere. Ut mirum sit fuisse quibus in
mentem venit proiecta continuationem motus
aeri debere, non cogitantibus pari uire hocmodo
nouam rationem motus continuundi quaerendam
fore pro aere ipso; nequae enim ille lapidem proiectum
impellere posset et illi volunt, nisi vim recepti motus
continuandi inse haberet, eaque in re ab obstante
lapide impediretur.
(39) pulcherrimam naturae legem, qua fit, ut circulum
vellineam quam cunque curuam describentia, rece-
dere conrentur a linea per rectam tangentem non
tantum obseruauit Replerus (postalios fortasse) sed
etiam ea iamtum usus est, quod palmarium iudico
ad illustrandam causam granitatis, ut apparet
ex Epitoma Astronomia Copernicanae. A Cartesio
recte posita est haec lex, et egregie explicata; sed
non tamen demonstrata, quod ab ipso expectan-
dum videbatur.
(40 ad 44) Duas naturae leges verissimat attulit
Cartesius artic. 37. et 39. et sua quadam luce
claras, sed tertia mihi tam videtur aliena non
tantum averitate, sed etiam averisimilitudine, ot
mirari subeat, quomodo in mentem tanti viri irrepse-
rit. Et huic tamen ille mox suas motuum atque con-
cursuum regulas maedificat, atque omnes causas
mutationum particularium in corporibus in ea contineri.
Ita