Combining Texts

All the ideas for 'Clitophon', 'works' and 'Problems in Personal Identity'

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

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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]

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

10800

The values of variables can't determine existence, because they are just expressions [Ryle, by Quine]

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

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