4 ideas
14238 | A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege] |
10247 | We have no adequate logic at the moment, so mathematicians must create one [Veblen] |
16713 | Philosophers are the forefathers of heretics [Tertullian] |
6610 | I believe because it is absurd [Tertullian] |