Combining Texts

All the ideas for 'Aristotle and Descartes on Matter', 'Reference and Essence: seven appendices' and 'Introduction to Russell's Theory of Types'

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

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4 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]

7. Existence / D. Theories of Reality / 10. Vagueness / g. Degrees of vagueness

14742

It can't be indeterminate whether x and y are identical; if x,y is indeterminate, then it isn't x,x [Salmon,N]

19. Language / B. Reference / 3. Direct Reference / a. Direct reference

18885

Kripke and Putnam made false claims that direct reference implies essentialism [Salmon,N]

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / b. Prime matter

19399

Prime matter is nothing when it is at rest [Leibniz]