Combining Texts

All the ideas for 'Truth (frags)', 'Conceptions of Consequence' and 'Anselm and Actuality'

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2 ideas

4. Formal Logic / D. Modal Logic ML / 4. Alethic Modal Logic

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For modality Lewis rejected boxes and diamonds, preferring worlds, and an index for the actual one [Lewis, by Stalnaker]

11. Knowledge Aims / A. Knowledge / 2. Understanding

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Aristotle's proofs give understanding, so it can't be otherwise, so consequence is necessary [Smiley, by Rumfitt]