Combining Texts

All the ideas for 'Later Letters to Dedekind', 'Isagoge ('Introduction')' and 'Against 'Ostrich Nominalism''

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

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5 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]

7. Existence / D. Theories of Reality / 3. Reality

8507	Some think of reality as made of things; I prefer facts or states of affairs [Armstrong]

8. Modes of Existence / D. Universals / 1. Universals

15034

Are genera and species real or conceptual? bodies or incorporeal? in sensibles or separate from them? [Porphyry]

8506	Particulars and properties are distinguishable, but too close to speak of a relation [Armstrong]

8. Modes of Existence / E. Nominalism / 1. Nominalism / a. Nominalism

8505	Refusal to explain why different tokens are of the same type is to be an ostrich [Armstrong]