5 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] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
8416 | Reductionists can't explain accidents, uninstantiated laws, probabilities, or the existence of any laws [Tooley] |
8418 | Quantum physics suggests that the basic laws of nature are probabilistic [Tooley] |