BOOK III.. The

THE PHILOSOPHY OF THE MECHANICAL SCIENCES.

IT is only because we subject trains of phenomena, that is, all change whatever, to the law of causality--to the relation of cause and effect--that experience or empirical knowledge becomes possible.

KANT, Kr. d. R. V. 11 Th. 1 Abth. 11 Buch. 2 Haupt.

Quicquid premit vel trahit alterum, tantundem ab eo premitur vel trahitur ... Si corpus aliquod in corpus aliud impingens motum ejus vi suâ quomodocunque mutaverit, idem quoque vicissim in motu proprio eandem mutationem in partem contrariam vi alterius (ob æqualitatem pressionis, mutuæ) subibit ... Obtinet etiam hæc Lex in attractionibus.

NEWTON, Princip. ad init.

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