7 ideas
| 11211 | If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt] |
| 11212 | The sense of a connective comes from primitively obvious rules of inference [Rumfitt] |
| 11210 | Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt] |
| 11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |
| 7076 | Mill wondered if he would be happy if all his aims were realised, and answered no [Mill, by Critchley] |
| 21997 | In Marxism the state will be superseded [Singer] |
| 21993 | Materialist history says we are subject to incomprehensible forces [Singer] |