Combining Philosophers

All the ideas for Richard Price, Hugh MacColl and Rescher,N/Oppenheim,P

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

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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]

9. Objects / C. Structure of Objects / 8. Parts of Objects / c. Wholes from parts

12887

A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / c. Ethical intuitionism

7258	The forefather of modern intuitionism is Richard Price [Price,R, by Dancy,J]