Book, Paragraph

 1  VI, 4  | motion of AB and a motion of BG. That being so, let DE be
 2  VI, 4  |    EZ the motion of the part BG. Then the whole DZ must
 3  VI, 4  |      of one of the parts AB, BG) or of anything else (for,
 4  VI, 4  |    DZ are the motions of AB, BG and of nothing else: for,
 5  VI, 5  |   effected in AB or again in BG, AG cannot be the primary
 6  VI, 5  |      changing in both AB and BG (for it must either have
 7  VI, 5  |   primary "where" G. Then if BG is taken to be indivisible,
 8  VI, 10 |   must be either in AB or in BG or partly in one and partly
 9  VI, 10 |       Nor again can it be in BG: for then it will have completed
10 VII, 1  |     would be in motion while BG is at rest, and thus AB
11 VIII, 5 | moved at all. Nor again will BG move itself apart from A:
12 VIII, 10|     infinite magnitude. Then BG possesses a certain force
13 VIII, 10|  magnitude twice as great at BG, the time occupied by this