4 ideas
13342 | Carnap defined consequence by contradiction, but this is unintuitive and changes with substitution [Tarski on Carnap] |
13251 | Each person is free to build their own logic, just by specifying a syntax [Carnap] |
22200 | If you eliminate the impossible, the truth will remain, even if it is weird [Conan Doyle] |
6649 | Chomsky now says concepts are basically innate, as well as syntax [Chomsky, by Lowe] |