5 ideas
21373 | We become objective when we detach ourselves from the world [Janaway] |
3750 | "It is true that x" means no more than x [Ramsey] |
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] |
18818 | Sentence meaning is given by the actions to which it would lead [Ramsey] |