Combining Texts

All the ideas for 'The Nature of Things', 'The Actual and the Virtual' and 'Ignorance: a Case for Scepticism'

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10 ideas

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
21907 We don't want another new set of categories; we want a variety of flexible categories [Deleuze, by May]
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 / 6. Contextual Justification / b. Invariantism
8724 The meaning of 'know' does not change from courtroom to living room [Unger]
13. Knowledge Criteria / D. Scepticism / 1. Scepticism
8722 No one knows anything, and no one is ever justified or reasonable [Unger]
13. Knowledge Criteria / D. Scepticism / 4. Demon Scepticism
8723 An evil scientist may give you a momentary life, with totally false memories [Unger]