Combining Texts

All the ideas for 'The Nature of Things', 'Moral Realism and Moral Dilemma' and 'Frege on Knowing the Third Realm'

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8 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]

5. Theory of Logic / A. Overview of Logic / 3. Value of Logic

13479

Given that thinking aims at truth, logic gives universal rules for how to do it [Burge]

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]

23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / j. Unity of virtue

22456

Maybe virtues conflict with each other, if some virtue needs a vice for its achievement [Foot]