Combining Texts

All the ideas for 'Science and Method', 'Quantifiers and Propositional Attitudes' and 'Symbolic Reasoning'

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3 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]

6. Mathematics / A. Nature of Mathematics / 2. Geometry

10245

One geometry cannot be more true than another [Poincaré]

19. Language / A. Nature of Meaning / 10. Denial of Meanings

9471	Intensions are creatures of darkness which should be exorcised [Quine]