Contents 
EDITOR'S INTRODUCTION 
Aristotle’s Life and Writings 
Aristotle’s Philosophy 
Selected Bibliography 
PAGE 
XV 
xxvi 
xlvi 
NATURAL SCIENCE 
/ BOOK I. Basic Principles of Nature 
CHAPTER 
"Starting point and method 
Alternative possibilities to 
The principle of antithesis 
The primal triad 
Explanation of becoming 
Correction of earlier natural philosophers 
Matter, form, and becoming 
be considered 
vBOOK II. The Conditions of Natural 
i. The meanings of nature 
ii. The province of natural science 
iii. The four types of explanation 
iv. Chance and luck 
v. Luck vs. purposive activity 
vi. Luck and chance distinguished 
vii. Relations of the four determining factors 
viii. Evidence that nature is telic 
The meaning of necessity in nature 
+ BOOK III. Motion, Change, and the Infinite 
Occurrences 
1X. 
Definition of motion 
ad 
15 
17 
20 
24 
25 
29 
31 
33 
35 
37 
41 
A: