6 ideas
18832 | Mathematical statements and entities that result from an infinite process must lack a truth-value [Dummett] |
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] |
15035 | If universals are not separate, we can isolate them by abstraction [Boethius, by Panaccio] |
11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |