Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'Reply to Fourth Objections' and 'Modal Logic as Metaphysics'

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 / 3. Types of Set / e. Equivalence classes

8920	Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]

10. Modality / E. Possible worlds / 3. Transworld Objects / e. Possible Objects

18925

If talking donkeys are possible, something exists which could be a talking donkey [Williamson, by Cameron]

17. Mind and Body / E. Mind as Physical / 6. Conceptual Dualism

3643	The concept of mind excludes body, and vice versa [Descartes]