LEMMA VII. Furthermore, the individual thus composed preserves its nature, whether it be, as a whole, in motion or at rest, whether it be moved in this or that direction; so long as each part retains its motion, and preserves its communication with other parts as before.
Lemma VII. Horrela konposatua den Izaki batek, bere osoan mugiturik ere edo geldirik egonagatik edo alde batera edo bestera itzultzen bada, alde bakoitzak bere mugimendua begiratzen duen ber, bere izaera atxikitzen du eta bestei helarazten aitzinean bezala.