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] |
19679 | 'Access' internalism says responsibility needs access; weaker 'mentalism' needs mental justification [Kvanvig] |
19678 | Strong foundationalism needs strict inferences; weak version has induction, explanation, probability [Kvanvig] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |