Combining Texts

All the ideas for 'fragments/reports', 'Answer to 'What is Enlightenment?'' and 'Against the Mathematicians'

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4 ideas

6. Mathematics / B. Foundations for Mathematics / 3. Axioms for Geometry
Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz]
13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / b. Basic beliefs
Some things are their own criterion, such as straightness, a set of scales, or light [Sext.Empiricus]
13. Knowledge Criteria / D. Scepticism / 6. Scepticism Critique
How can sceptics show there is no criterion? Weak without, contradiction with [Sext.Empiricus]
25. Social Practice / A. Freedoms / 3. Free speech
Enlightenment requires the free use of reason in the public realm [Kant]