Combining Philosophers

All the ideas for H.Putnam/P.Oppenheim, Vincent C. Punzo and Douglas Lackey

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5 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

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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

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

25. Social Practice / F. Life Issues / 5. Sexual Morality

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Why do sexual relationships need permanence, if other relationships don't? [Punzo]

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Does engaging in sexual intercourse really need no more thought than playing tennis? [Punzo]