7 ideas
19053 | Logic would be more natural if negation only referred to predicates [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] |
19052 | Natural language 'not' doesn't apply to sentences [Dummett] |
14367 | An explanation is a causal graph [Woodward,J, by Strevens] |
11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |