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] |
21558 | 'Predicative' norms are those which define a class [Russell] |
21559 | We need rules for deciding which norms are predicative (unless none of them are) [Russell] |
11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |
7667 | There are two sides to men - the pleasantly social, and the violent and creative [Diderot, by Berlin] |