27. By this theory of the resistance of fluids, and these experiments, our author decides the question so long agitated among natural philosophers, whether all space is absolutely full of matter. The Aristotelians and Cartesians both assert this plenitude; the Atomists have maintained the contrary. Our author has chose to determine this question by his theory of resistance, as shall be explained in the following chapter.
BOOK II.
Concerning the
SYSTEM of the WORLD.
[Chap. I.]
That the Planets move in a space empty of all sensible matter.
