Combining Texts

All the ideas for 'The Epistemology of Modality', 'The Nature and Communication of Substance' and 'Investigations into Logical Deduction'

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

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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]

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]

17. Mind and Body / A. Mind-Body Dualism / 5. Parallelism

2596	Maybe mind and body are parallel, like two good clocks [Leibniz]

28. God / B. Proving God / 3. Proofs of Evidence / b. Teleological Proof

2595	If the universe is a perfect agreement of uncommunicating substances, there must be a common source [Leibniz]