Combining Texts

All the ideas for 'Extrinsic Properties', 'The Life of Reason' and 'Reply to Professor Frankena'

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5 ideas

1. Philosophy / C. History of Philosophy / 1. History of Philosophy

8000	He who is ignorant of the history of philosophy is doomed to repeat it [Santayana, by MacIntyre]

8. Modes of Existence / B. Properties / 4. Intrinsic Properties

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Being alone doesn't guarantee intrinsic properties; 'being alone' is itself extrinsic [Lewis, by Sider]

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Extrinsic properties come in degrees, with 'brother' less extrinsic than 'sibling' [Lewis]

9. Objects / A. Existence of Objects / 5. Individuation / b. Individuation by properties

15455

Total intrinsic properties give us what a thing is [Lewis]

23. Ethics / D. Deontological Ethics / 4. Categorical Imperative

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Moral judgements are hypothetical, because they depend on interests and desires [Foot]