4 ideas
21757 | Philosophy is the conceptual essence of the shape of history [Hegel] |
10245 | One geometry cannot be more true than another [Poincaré] |
17697 | The existence of an arbitrarily large number refutes the idea that numbers come from experience [Hilbert] |
17698 | Logic already contains some arithmetic, so the two must be developed together [Hilbert] |