Combining Texts

All the ideas for 'fragments/reports', 'Symbolic Reasoning' and 'Reference and Contingency'

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

---

5 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]

10. Modality / B. Possibility / 5. Contingency

14895

'Superficial' contingency: false in some world; 'Deep' contingency: no obvious verification [Evans, by Macià/Garcia-Carpentiro]

10. Modality / E. Possible worlds / 3. Transworld Objects / b. Rigid designation

11881

Rigid designators can be meaningful even if empty [Evans, by Mackie,P]

26. Natural Theory / A. Speculations on Nature / 5. Infinite in Nature

1748	Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius]

27. Natural Reality / G. Biology / 3. Evolution

5989	Archelaus said life began in a primeval slime [Archelaus, by Schofield]