Combining Texts

All the ideas for 'The Epistemology of Modality', 'works' and 'Investigations into Logical Deduction'

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4 ideas

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

13832

Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking]

9. Objects / D. Essence of Objects / 5. Essence as Kind

13074

Only natural kinds and their members have real essences [Suárez, by Cover/O'Leary-Hawthorne]

10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / a. Conceivable as possible

19440

How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya]

26. Natural Theory / C. Causation / 4. Naturalised causation

7563	The old 'influx' view of causation says it is a flow of accidental properties from A to B [Suárez, by Jolley]