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] |
23900 | Chance is compatible with necessity, and the two occur together [Weil] |
23899 | The secret of art is that beauty is a just blend of unity and its opposite [Weil] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |