Combining Texts

All the ideas for 'Natural Science (lost)', 'Introduction to 'Modality'' and 'Letters to Varignon'

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

---

3 ideas

7. Existence / A. Nature of Existence / 6. Criterion for Existence

527	Everything exists which anyone perceives [Metrodorus of Chios]

10. Modality / A. Necessity / 1. Types of Modality

14528

Maybe modal thought is unavoidable, as a priori recognition of necessary truth-preservation in reasoning [Hale/Hoffmann,A]

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

19414

Men are related to animals, which are related to plants, then to fossils, and then to the apparently inert [Leibniz]