5 ideas
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] |
17619 | We renounce all abstract entities [Goodman/Quine] |
20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |
17811 | The natural conception of points ducks the problem of naming or constructing each point [Kreisel] |