Combining Texts

All the ideas for 'On Motion', 'Investigations into Logical Deduction' and 'Knowing One's Own Mind'

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3 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]

18. Thought / C. Content / 6. Broad Content

6175	External identification doesn't mean external location, as with sunburn [Davidson, by Rowlands]

27. Natural Reality / B. Modern Physics / 1. Relativity / a. Special relativity

12709

Motion is not absolute, but consists in relation [Leibniz]