Combining Texts

All the ideas for 'Letters to Edward Stillingfleet', 'Protrepticus (frags)' and 'Defining 'Intrinsic' (with Rae Langton)'

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7 ideas

1. Philosophy / D. Nature of Philosophy / 5. Aims of Philosophy / d. Philosophy as puzzles

17949

Inquiry is the cause of philosophy [Aristotle]

2. Reason / D. Definition / 1. Definitions

15457

Interdefinition is useless by itself, but if we grasp one separately, we have them both [Lewis]

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

15400

We must avoid circularity between what is intrinsic and what is natural [Lewis, by Cameron]

15458

A property is 'intrinsic' iff it can never differ between duplicates [Lewis]

15459

Ellipsoidal stars seem to have an intrinsic property which depends on other objects [Lewis]

9. Objects / D. Essence of Objects / 3. Individual Essences

15990

Every individual thing which exists has an essence, which is its internal constitution [Locke]

11. Knowledge Aims / B. Certain Knowledge / 1. Certainty

15994

If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke]