Combining Texts
Ideas for
'The Evolution of Modern Metaphysics', 'On Liberty' and 'works'
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3 ideas
4. Formal Logic / F. Set Theory ST / 1. Set Theory
13455
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Frege did not think of himself as working with sets [Frege, by Hart,WD]
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4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set
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The null set is indefensible, because it collects nothing [Frege, by Burge]
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4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / c. Logical sets
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Frege proposed a realist concept of a set, as the extension of a predicate or concept or function [Frege, by Benardete,JA]
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