Combining Texts

All the ideas for 'fragments/reports', 'Quine on Quantifying In' and 'Symbolic Reasoning'

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6 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

5. Theory of Logic / E. Structures of Logic / 1. Logical Form

12220

Is it the sentence-token or the sentence-type that has a logical form? [Fine,K]

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

12222

Substitutional quantification is referential quantification over expressions [Fine,K]

7. Existence / A. Nature of Existence / 3. Being / d. Non-being

18933

Not-Being obviously doesn't exist, and the five modes of Being are all impossible [Gorgias, by Diog. Laertius]

19. Language / F. Communication / 1. Rhetoric

5864	Destroy seriousness with laughter, and laughter with seriousness [Gorgias]

9866	Gorgias says rhetoric is the best of arts, because it enslaves without using force [Gorgias, by Plato]