Combining Texts

All the ideas for 'Lysis', 'Moral Relativism' 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]

12. Knowledge Sources / B. Perception / 5. Interpretation

22449

When we say 'is red' we don't mean 'seems red to most people' [Foot]

22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / e. Ethical cognitivism

22451

All people need affection, cooperation, community and help in trouble [Foot]

22. Metaethics / B. Value / 1. Nature of Value / f. Ultimate value

22452

Do we have a concept of value, other than wanting something, or making an effort to get it? [Foot]

22. Metaethics / C. The Good / 1. Goodness / a. Form of the Good

295	The good is beautiful [Plato]

23. Ethics / C. Virtue Theory / 4. External Goods / d. Friendship

294	People say that friendship exists only between good men [Plato]