Combining Philosophers

All the ideas for Anaxarchus, Zoltn Gendler Szab and Hugh MacColl

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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]

4. Formal Logic / F. Set Theory ST / 3. Types of Set / c. Unit (Singleton) Sets

8956	What is a singleton set, if a set is meant to be a collection of objects? [Szabó]

7. Existence / C. Structure of Existence / 7. Abstract/Concrete / a. Abstract/concrete

8953	Abstract entities don't depend on their concrete entities ...but maybe on the totality of concrete things [Szabó]

13. Knowledge Criteria / D. Scepticism / 1. Scepticism

3061	Anaxarchus said that he was not even sure that he knew nothing [Anaxarchus, by Diog. Laertius]

15. Nature of Minds / C. Capacities of Minds / 3. Abstraction by mind

8954	Geometrical circles cannot identify a circular paint patch, presumably because they lack something [Szabó]

18. Thought / E. Abstraction / 5. Abstracta by Negation

8955	Abstractions are imperceptible, non-causal, and non-spatiotemporal (the third explaining the others) [Szabó]