Combining Texts

All the ideas for 'On Motion', 'Problems in Personal Identity' and 'Letters to Jacques Lenfant'

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

---

3 ideas

5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic

3299	In logic identity involves reflexivity (x=x), symmetry (if x=y, then y=x) and transitivity (if x=y and y=z, then x=z) [Baillie]

8. Modes of Existence / C. Powers and Dispositions / 2. Powers as Basic

12723

The most primitive thing in substances is force, which leads to their actions and dispositions [Leibniz]

27. Natural Reality / B. Modern Physics / 1. Relativity / a. Special relativity

12709

Motion is not absolute, but consists in relation [Leibniz]