Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'Laudatio: Prof Ruth Barcan Marcus' and 'Reasons for Actions and Desires'

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3 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

15130

If a property is possible, there is something which can have it [Williamson]

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]

20. Action / C. Motives for Action / 3. Acting on Reason / b. Intellectualism

22393

I don't understand the idea of a reason for acting, but it is probably the agent's interests or desires [Foot]