Combining Texts

All the ideas for 'Purifications (frags)', 'Introduction to Russell's Theory of Types' and 'The Nature of Existence vol.1'

expand these ideas     |    start again     |     specify just one area for these texts

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2 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / p. Axiom of Reducibility

18170

The Axiom of Reducibility is self-effacing: if true, it isn't needed [Quine]

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

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Substance has to exist, with no intrinsic qualities or relations [McTaggart]