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CONTENTS
| Ch. | Α. | |
| 1. | The advance from sensation through memory, experience, and art, to theoretical knowledge. | |
| 2. | Characteristics of 'wisdom' (philosophy). | |
| 3. | The successive recognition by earlier philosophers of the material, efficient, and final causes. | |
| 4. | Inadequacy of the treatment of these causes. | |
| 5. | The Pythagorean and Eleatic schools; the former recognizes vaguely the formal cause. | |
| 6. | The Platonic philosophy; it uses only the material and formal causes. | |
| 7. | The relation of the various systems to the four causes. | |
| 8. | Criticism of the pre-Platonic philosophers. | |
| 9. | Criticism of the doctrine of Ideas. | |
| 10. | The history of philosophy reveals no causes other than the four. | |
| α. | ||
| 1. | General considerations about the study of philosophy. | |
| 2. | There cannot be an infinite series, nor an infinite variety of kinds, of causes. | |
| 3. | Different methods are appropriate to different studies. | |
| Β. | ||
| 1. | Sketch of the main problems of philosophy. | |
| 2. | Fuller statement of the problems:— | |
| (i)Can one science treat of all the four causes? | ||
| (ii) Are the primary axioms treated of by the science of substance, and if not, by what science? | ||
| (iii) Can one science treat of all substances? | ||
| (iv) Does the science of substance treat also of its attributes ? | ||
| (v) Are there any non-sensible substances, and if so, of how many kinds? | ||
| 3. | (vi) Are the genera, or the constituent parts, of things their first principles ? | |
| (vii) If the genera, is it the highest genera or the lowest ? | ||
| 4. | (viii) Is there anything apart from individual things ? | |
| (ix) Is each of the first principles one in kind, or in number ? | ||
| (x) Are the principles of perishable and of imperishable things the same? | ||
| (xi) Are being and unity substances or attributes ? | ||
| 5. | (xii) Are the objects of mathematics substances ? | |
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