Book,  Paragraph

 1   I,  4 |     motions on the complete circumference contraries. Nor again can
 2   I,  8 |  centre and its fire to our circumference. This, however, is impossible,
 3   I,  9 |    substance of the extreme circumference of the whole, or that natural
 4   I,  9 |     place is at the extreme circumference. We recognize habitually
 5   I,  9 | continuous with the extreme circumference which contains the moon,
 6   I,  9 |     included within extreme circumference, since we habitually call
 7   I,  9 | included within the extreme circumference must be composed of all
 8   I,  9 |    body outside the extreme circumference it must be either a simple
 9   I,  9 |   mass whatever outside the circumference. The world as a whole, therefore,
10  II,  4 |     is that at the farthest circumference. It follows that the body
11  II,  4 |   that outside the farthest circumference there is neither void nor
12  II,  8 |      i.e. traversed its own circumference, at one and the same moment.
13  II,  13|   the intermediate, and the circumference and the centre are limits.
14  II,  13|   and the great size of the circumference, which, seen from a distance
15  II,  13|     to a fourth part of the circumference. For since no body is a
16  II,  14|     the size of the earth’s circumference arrive at the figure 400,