Combining Texts

All the ideas for 'On Motion', 'Investigations into Logical Deduction' and 'Treatise of Freewill'

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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]

23. Ethics / F. Existentialism / 6. Authentic Self

6231	There is a self-determing power in each person, which makes them what they are [Cudworth]

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

12709

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