Combining Philosophers

All the ideas for Douglas Lackey, C.S. Lewis and H.Putnam/P.Oppenheim

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4 ideas

5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / b. Cantor's paradox

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Sets always exceed terms, so all the sets must exceed all the sets [Lackey]

5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / c. Burali-Forti's paradox

21553

It seems that the ordinal number of all the ordinals must be bigger than itself [Lackey]

14. Science / D. Explanation / 2. Types of Explanation / j. Explanations by reduction

20653

Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson]

23. Ethics / C. Virtue Theory / 3. Virtues / d. Courage

15640

Courage is not a virtue, but the form of every virtue at its testing point [Lewis,CS]