4 ideas
13737 | The empiricist says that metaphysics is meaningless, rather than false [Schlick] |
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] |
5655 | Happiness is not satisfaction of desires, but fulfilment of values [Bradley, by Scruton] |