6 ideas
21554 | Sets always exceed terms, so all the sets must exceed all the sets [Lackey] |
21553 | It seems that the ordinal number of all the ordinals must be bigger than itself [Lackey] |
17809 | Gödel showed that the syntactic approach to the infinite is of limited value [Kreisel] |
17810 | The study of mathematical foundations needs new non-mathematical concepts [Kreisel] |
17811 | The natural conception of points ducks the problem of naming or constructing each point [Kreisel] |
1513 | The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus] |