14 There are...

14 There are, therefore three branches of theoretical philosophy: that which deals with things inasmuch as movement is attached to them both in reality and in thought; that which deals with things inasmuch as movement is attached to them in reality but not in thought; and that which deals with things inasmuch as movement is attached to them neither in reality nor in though, regardless of whether movement can be attached to them, as in the case of unity, or cannot be attached to them, as in the case of God.

The first is physics, the second is pure mathematics and the third is metaphysics. 15 Practical philosophy, on the other hand, is concerned with learning one of the following: (1) the principles on which…