Combining Texts

All the ideas for 'Frege's Theory of Numbers', 'Against Dryness: a polemical sketch' and 'Symbolic Reasoning'

expand these ideas     |    start again     |     specify just one area for these texts

---

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 / 4. Using Numbers / c. Counting procedure

17447

Parsons says counting is tagging as first, second, third..., and converting the last to a cardinal [Parsons,C, by Heck]

23. Ethics / F. Existentialism / 1. Existentialism

20765

Man is a brave naked will, separate from a background of values and realities [Murdoch]