Combining Texts

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

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3 ideas

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

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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

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

24. Political Theory / D. Ideologies / 8. Socialism

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Liberty without socialism is injustice; socialism without liberty is brutality [Bakunin]