Combining Texts

All the ideas for 'Laches', 'Letters to a Young Clergyman' and 'Principles of Theoretical Logic'

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

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4 ideas

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

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

2. Reason / A. Nature of Reason / 9. Limits of Reason

22520

You can't reason someone out of an irrational opinion [Swift]

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]