Combining Texts

All the ideas for 'works', 'works' and 'Explanation in Mathematics'

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3 ideas

6. Mathematics / B. Foundations for Mathematics / 3. Axioms for Geometry

13007

Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz]

9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities

13166

Essences are no use in mathematics, if all mathematical truths are necessary [Mancosu]

23. Ethics / C. Virtue Theory / 3. Virtues / d. Courage

15640

Courage is not a virtue, but the form of every virtue at its testing point [Lewis,CS]