Combining Texts

All the ideas for 'Aristotle and Descartes on Matter', 'Later Letters to Dedekind' and 'Is Mathematics purely Linguistic?'

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

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3 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

17831

Cantor gives informal versions of ZF axioms as ways of getting from one set to another [Cantor, by Lake]

6. Mathematics / C. Sources of Mathematics / 7. Formalism

21570

Numbers are just verbal conveniences, which can be analysed away [Russell]

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]