8 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 11211 | If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt] |
| 11210 | Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt] |
| 11212 | The sense of a connective comes from primitively obvious rules of inference [Rumfitt] |
| 16736 | Explanation is generally to deduce it from something better known, which comes in degrees [Boyle] |
| 16737 | The best explanations get down to primary basics, but others go less deep [Boyle] |
| 11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |