Combining Texts

All the ideas for 'Particulars in Particular Clothing', 'On Providence' and 'Investigations into Logical Deduction'

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

---

5 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]

8. Modes of Existence / B. Properties / 13. Tropes / a. Nature of tropes

18431

Internal relations combine some tropes into a nucleus, which bears the non-essential tropes [Simons, by Edwards]

22. Metaethics / C. The Good / 2. Happiness / a. Nature of happiness

13550

To be always happy is to lack knowledge of one half of nature [Seneca]

23. Ethics / C. Virtue Theory / 4. External Goods / a. External goods

13549

Nothing bad can happen to a good man [Seneca]

27. Natural Reality / A. Classical Physics / 1. Mechanics / c. Forces

13548

The ocean changes in volume in proportion to the attraction of the moon [Seneca]