Book, Paragraph

 1  IV, 4 |   even, nor is he who thinks four things are five equally
 2   V, 2 |     now mentioned fall under four senses which are the most
 3 VII, 3 |    senses, still at least to four main objects; for both the
 4   X, 1 |      may be summarized under four heads, though the word is
 5   X, 3 |   Now since opposition is of four kinds, and one of these
 6  XI, 6 |     thing both is and is not four cubits long. But essence
 7 XII, 2 |     Now since changes are of four kinds-either in respect
 8 XII, 4 |      are three elements, and four causes and principles; but
 9 XII, 4 |   while in a sense there are four. For the medical art is
10 XII, 8 |      involves, in each case, four spheres, and of these also
11 XII, 8 | counteract those of the next four planets will be sixteen;
12 XIII, 2|     the mathematical solids; four sets of lines, and five
13 XIII, 7|     the first 2 generate the four in 4, so that all the units