4 ideas
13157 | Choose the true hypothesis, which is the most intelligible one [Leibniz] |
9548 | A mathematical object exists if there is no contradiction in its definition [Waterfield] |
3061 | Anaxarchus said that he was not even sure that he knew nothing [Anaxarchus, by Diog. Laertius] |
13158 | The Copernican theory is right because it is the only one offering a good explanation [Leibniz] |