13 ideas
| 8766 | In much wisdom is much grief [Anon (Ecc)] |
| 7494 | Laughter is mad; of mirth, what doeth it? [Anon (Ecc)] |
| 8767 | Sorrow is better than laughter [Anon (Ecc)] |
| 17884 | Mathematical set theory has many plausible stopping points, such as finitism, and predicativism [Koellner] |
| 17893 | 'Reflection principles' say the whole truth about sets can't be captured [Koellner] |
| 17894 | We have no argument to show a statement is absolutely undecidable [Koellner] |
| 17890 | There are at least eleven types of large cardinal, of increasing logical strength [Koellner] |
| 17887 | PA is consistent as far as we can accept, and we expand axioms to overcome limitations [Koellner] |
| 17891 | Arithmetical undecidability is always settled at the next stage up [Koellner] |
| 594 | Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle] |
| 8765 | All is vanity, saith the Preacher [Anon (Ecc)] |
| 8768 | Books are endless, and study is wearisome [Anon (Ecc)] |
| 2632 | Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero] |