Book, Paragraph

 1   I, 6 |      genus there is only one contrariety, and substance is one genus:
 2   I, 6 |  from each other, the second contrariety will be superfluous. Moreover,
 3   I, 6 |     be more than one primary contrariety. For substance is a single
 4   I, 6 |     there is always a single contrariety, all the other contrarieties
 5   I, 9 |     the negative part of the contrariety may often seem, if you concentrate
 6 III, 5 | which is infinite. They have contrariety with each other-air is cold,
 7  IV, 9 | locomotion in virtue of this contrariety, and in virtue of their
 8   V, 5 |  seem to be the cause of the contrariety of motions, the latter being
 9   V, 6 |     rest universally exhibit contrariety in the manner described
10   V, 6 |     being instances of local contrariety; and upward locomotion belongs
11   V, 6 |    just as we find a similar contrariety in the motion of the same
12   V, 6 |      conditions they exhibit contrariety.~[With regard to coming
13 VIII, 7|      was not the relation of contrariety but the impossibility of