Book, Paragraph

1   V, 4|       a sense a motion that is irregular is not regarded as one,
2   V, 4|  straight line is regular, the irregular being as such divisible.
3   V, 4| difference that makes a motion irregular is sometimes to be found
4   V, 4|      regular if its path is an irregular magnitude, e.g. a broken
5   V, 4|       is regular, if not it is irregular. So quickness and slowness
6   V, 4|    itself or fire from itself. Irregular motion, therefore, while
7   V, 4|        can be both regular and irregular, motions that are consecutive
8  VI, 7|       the motion is regular or irregular. For if we take a part which