Chapter 12 Of Book II Of De Anima

Satisfactory Essays
In Chapter 12 of Book II of De Anima, Aristotle says, “sense is what is receptive of sensible species [form] without matter.” Here, Aristotle is saying that sense takes in, from a material object, the form that is proper to that sensible without also receiving the matter. Taking this definition of sense at face value and then comparing it to alteration, it would seem that sensation is simply an alteration. However, by examining both our own experience of sense and what constitutes an alteration more closely, it will become clear that sensation is not an alteration. In seeing this, the way in which sense receives form without matter will be made evident. For sense to receive the form without the matter is for the form to both be received by the sense so as not to become a form of the one sensing and at the same time remain a form of the sensible object. Alteration is a change of quality. When something is altered, a quality, of the object being altered, is replaced by another quality lacking in the object. This occurs by a change or motion. An example of this is if a green apple were to change color to a red apple. The apple is undergoing a change or motion, and at the same time is having its green quality replaced by red. So, at the end of the alteration, the green apple has been altered to a red apple. Another example is that of a rock being heated. The heat of the sun is replacing the cold of the rock such that that heat is no longer a quality of the sun but is now a
Get Access