Combining Philosophers

All the ideas for Hermarchus, Robert Geroch and Ori Simchen

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

---

6 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

16186

The Barcan Formulas express how to combine modal operators with classical quantifiers [Simchen]

16187

The Barcan Formulas are orthodox, but clash with the attractive Actualist view [Simchen]

16190

BF implies that if W possibly had a child, then something is possibly W's child [Simchen]

10. Modality / E. Possible worlds / 1. Possible Worlds / d. Possible worlds actualism

16188

Serious Actualism says there are no facts at all about something which doesn't exist [Simchen]

18. Thought / E. Abstraction / 3. Abstracta by Ignoring

9567	Maths deals with quantities of physical significance, ignoring irrelevant features [Geroch]

25. Social Practice / F. Life Issues / 6. Animal Rights

6005	Animals are dangerous and nourishing, and can't form contracts of justice [Hermarchus, by Sedley]