DR. LEONARD PEIKOFF Lecture 5 a REVOLUTION
Founders of Western Philosophy: Thales to Hume a 12-lecture course by DR. LEONARD PEIKOFF Edited by LINDA REARDAN, Ph.D. Lecture 5 A REVOLUTION: THE BIRTH OF REASON, PART II A Publication of CONTENTS Preface iv 1. Aristotle’s Teleology 2 2. The Unmoved Mover 8 3. Refutation of Zeno’s Paradoxes 15 4. Aristotle’s Psychology: The Natural Soul 17 5. Psychology Continued: Sense-Perception and Reason 22 6. Prime Matter and the Levels of Reality 29 7. Aristotle’s Ethics: Self-Realization and the Golden Mean 35 8. Political Philosophy 57 9. Conclusion 61 Study Questions 65 iii Lecture 5 A REVOLUTION: THE BIRTH OF REASON, PART II Last week we surveyed Aristotle’s epistemology and some of the essentials of his metaphysics. In regard to metaphysics, we said that reality for Aristotle is this world, the world in which we live, the world of concrete individual things as perceived through man’s senses. We said that for Aristotle each individual object, each primary substance, is comprised of two elements: a univer- salizing element, which constitutes the basis for our putting it into a certain class and ascribing to it a certain nature; and an individuating element, which constitutes the basis of its unique- ness and makes it a this. Aristotle’s technical terms for these two elements, you recall, are “form” and “matter.” Matter is the stuff or material compris- ing a thing; form represents its structure or organization. In these terms, change, we said, is the process of matter taking on new form, so that change in no way involves a contradiction; it is eminently logical, rational, scientifically intelligible.
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