Combining Texts

All the ideas for 'works', 'Answer to 'What is Enlightenment?'' and 'Intro to 2nd ed of Principia Mathematica'

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3 ideas

5. Theory of Logic / D. Assumptions for Logic / 3. Contradiction

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Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal]

7. Existence / C. Structure of Existence / 6. Fundamentals / d. Logical atoms

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Given all true atomic propositions, in theory every other truth can thereby be deduced [Russell]

25. Social Practice / A. Freedoms / 3. Free speech

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Enlightenment requires the free use of reason in the public realm [Kant]