Combining Texts

All the ideas for 'Laches', 'Principles of Theoretical Logic' and 'Remarks on the forces of inorganic Nature'

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

---

4 ideas

1. Philosophy / A. Wisdom / 3. Wisdom Deflated

291	Don't assume that wisdom is the automatic consequence of old age [Plato]

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

17750

The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki]

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

293	Being unafraid (perhaps through ignorance) and being brave are two different things [Plato]

27. Natural Reality / A. Classical Physics / 1. Mechanics / d. Gravity

13605

Gravity isn't a force, because it produces effects without diminishing [Mayer]