Combining Texts

All the ideas for 'Reply to Fourth Objections', 'Introduction to 'Hippias Minor'' and 'Laudatio: Prof Ruth Barcan Marcus'

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


3 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula
If a property is possible, there is something which can have it [Williamson]
6. Mathematics / C. Sources of Mathematics / 10. Constructivism / b. Intuitionism
A mathematical object exists if there is no contradiction in its definition [Waterfield]
17. Mind and Body / E. Mind as Physical / 6. Conceptual Dualism
The concept of mind excludes body, and vice versa [Descartes]