Combining Texts

All the ideas for 'Science and Method', 'On Anger (Book 3)' and 'Investigations into Logical Deduction'

expand these ideas     |    start again     |     specify just one area for these texts

---

6 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]

6. Mathematics / A. Nature of Mathematics / 2. Geometry

10245

One geometry cannot be more true than another [Poincaré]

23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / e. Character

13554

True greatness is never allowing events to disturb you [Seneca]

23. Ethics / C. Virtue Theory / 3. Virtues / a. Virtues

13556

Every night I critically review how I have behaved during the day [Seneca]

23. Ethics / C. Virtue Theory / 3. Virtues / b. Temperance

13552

Anger is an extreme vice, threatening sanity, and gripping whole states [Seneca]

13553

Anger is a vice which afflicts good men as well as bad [Seneca]