12 ideas
| 5163 | Basic propositions refer to a single experience, are incorrigible, and conclusively verifiable [Ayer] |
| 5167 | The argument from analogy fails, so the best account of other minds is behaviouristic [Ayer] |
| 5164 | A statement is meaningful if observation statements can be deduced from it [Ayer] |
| 5165 | Directly verifiable statements must entail at least one new observation statement [Ayer] |
| 5166 | The principle of verification is not an empirical hypothesis, but a definition [Ayer] |
| 5162 | Sentences only express propositions if they are meaningful; otherwise they are 'statements' [Ayer] |
| 468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
| 5168 | Moral approval and disapproval concerns classes of actions, rather than particular actions [Ayer] |
| 20482 | Virtue inspires Stoics, but I want a good temperament [Montaigne] |
| 20480 | There is not much point in only becoming good near the end of your life [Montaigne] |
| 20481 | Nothing we say can be worse than unsaying it in the face of authority [Montaigne] |
| 20479 | People at home care far more than soldiers risking death about the outcome of wars [Montaigne] |