Combining Texts

All the ideas for 'Letters to Thomas Burnett', 'Clitophon' and 'Problems in Personal Identity'

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

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4 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]

9. Objects / B. Unity of Objects / 2. Substance / a. Substance

13197

The notion of substance is one of the keys to true philosophy [Leibniz]

22. Metaethics / B. Value / 2. Values / f. Altruism

1590	The just man does not harm his enemies, but benefits everyone [Plato]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws

13198

Gravity is within matter because of its structure, and it can be explained. [Leibniz]