Combining Texts

All the ideas for 'fragments/reports', 'Investigations into Logical Deduction' and 'Causation and the Manifestation of Powers'

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7 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]
7. Existence / A. Nature of Existence / 3. Being / d. Non-being
18933 Not-Being obviously doesn't exist, and the five modes of Being are all impossible [Gorgias, by Diog. Laertius]
15. Nature of Minds / C. Capacities of Minds / 9. Perceiving Causation
17527 Causation seems to be an innate concept (or acquired very early) [Bird]
19. Language / F. Communication / 1. Rhetoric
9866 Gorgias says rhetoric is the best of arts, because it enslaves without using force [Gorgias, by Plato]
5864 Destroy seriousness with laughter, and laughter with seriousness [Gorgias]
26. Natural Theory / C. Causation / 2. Types of cause
17528 The dispositional account explains causation, as stimulation and manifestation of dispositions [Bird]
26. Natural Theory / C. Causation / 9. General Causation / c. Counterfactual causation
17526 The counterfactual approach makes no distinction between cause and pre-condition [Bird]