Combining Philosophers
Ideas for Charles Chihara, Tertullian and Moses Schnfinkel
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10 ideas
4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set
9572
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Realists about sets say there exists a null set in the real world, with no members [Chihara]
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9550
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We only know relational facts about the empty set, but nothing intrinsic [Chihara]
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9562
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In simple type theory there is a hierarchy of null sets [Chihara]
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9573
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The null set is a structural position which has no other position in membership relation [Chihara]
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4. Formal Logic / F. Set Theory ST / 3. Types of Set / c. Unit (Singleton) Sets
9551
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What is special about Bill Clinton's unit set, in comparison with all the others? [Chihara]
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4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / a. Sets as existing
9549
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The set theorist cannot tell us what 'membership' is [Chihara]
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4. Formal Logic / F. Set Theory ST / 7. Natural Sets
9571
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ZFU refers to the physical world, when it talks of 'urelements' [Chihara]
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4. Formal Logic / F. Set Theory ST / 8. Critique of Set Theory
18151
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Could we replace sets by the open sentences that define them? [Chihara, by Bostock]
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9563
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A pack of wolves doesn't cease when one member dies [Chihara]
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8758
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We could talk of open sentences, instead of sets [Chihara, by Shapiro]
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