Combining Texts

All the ideas for 'The Nature of Things', 'The Absurd' and 'Theory of Knowledge (2nd edn)'

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11 ideas

1. Philosophy / C. History of Philosophy / 4. Later European Philosophy / b. Seventeenth century philosophy
2945 Most philosophers start with reality and then examine knowledge; Descartes put the study of knowledge first [Lehrer]
1. Philosophy / D. Nature of Philosophy / 1. Philosophy
3269 If your life is to be meaningful as part of some large thing, the large thing must be meaningful [Nagel]
1. Philosophy / F. Analytic Philosophy / 4. Conceptual Analysis
2946 You cannot demand an analysis of a concept without knowing the purpose of the analysis [Lehrer]
4. Formal Logic / F. Set Theory ST / 7. Natural Sets
9406 A class is natural when everybody can spot further members of it [Quinton]
7. Existence / E. Categories / 5. Category Anti-Realism
15730 Extreme nominalists say all classification is arbitrary convention [Quinton]
8. Modes of Existence / B. Properties / 5. Natural Properties
15728 The naturalness of a class depends as much on the observers as on the objects [Quinton]
9407 Properties imply natural classes which can be picked out by everybody [Quinton]
8. Modes of Existence / D. Universals / 4. Uninstantiated Universals
15729 Uninstantiated properties must be defined using the instantiated ones [Quinton]
9. Objects / A. Existence of Objects / 5. Individuation / b. Individuation by properties
8520 An individual is a union of a group of qualities and a position [Quinton, by Campbell,K]
13. Knowledge Criteria / C. External Justification / 8. Social Justification
3270 Justifications come to an end when we want them to [Nagel]
23. Ethics / F. Existentialism / 2. Nihilism
3268 If a small brief life is absurd, then so is a long and large one [Nagel]