9 ideas
| 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] |
| 594 | Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle] |
| 11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |
| 299 | What is fine is always difficult [Plato] |
| 297 | What is fine is the parent of goodness [Plato] |
| 298 | While sex is very pleasant, it should be in secret, as it looks contemptible [Plato] |
| 2632 | Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero] |