3 ideas
18801 | Classical negation is circular, if it relies on knowing negation-conditions from truth-conditions [Dummett] |
6410 | The only real proper names are 'this' and 'that'; the rest are really definite descriptions. [Russell, by Grayling] |
1799 | If we can't know minds, we can't know if Pyrrho was a sceptic [Theodosius, by Diog. Laertius] |