Combining Texts

All the ideas for 'works (all lost)', 'Problems in Personal Identity' and 'Morals and Modals'

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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]

10. Modality / C. Sources of Modality / 1. Sources of Necessity

14629

If we are told the source of necessity, this seems to be a regress if the source is not already necessary [Blackburn]

14529

If something underlies a necessity, is that underlying thing necessary or contingent? [Blackburn, by Hale/Hoffmann,A]