Book, Paragraph

1 III, 5 |      body has either weight or lightness, and if a body has a natural
2  IV, 7 |      is whatever has weight or lightness.~Hence, by a syllogism,
3  IV, 7 |     and what has heaviness and lightness is perceptible to touch.
4  IV, 8 |      to excess of weight or of lightness.~Now the medium causes a
5  IV, 8 | impulse either of weight or of lightness, if they are alike in other
6   V, 4 |       is true of heaviness and lightness when they refer to the same
7 VIII, 4|   prevents it. The activity of lightness consists in the light thing
8 VIII, 4|     constitutes the essence of lightness and heaviness, the former