15 ideas
| 17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
| 472 | No things would be clear to us as entity or relationships unless there existed Number and its essence [Philolaus] |
| 21103 | Moral questions can only be decided by common opinion [Hume] |
| 21099 | People must have agreed to authority, because they are naturally equal, prior to education [Hume] |
| 21100 | The idea that society rests on consent or promises undermines obedience [Hume] |
| 20495 | We no more give 'tacit assent' to the state than a passenger carried on board a ship while asleep [Hume] |
| 21101 | The people would be amazed to learn that government arises from their consent [Hume] |
| 6703 | Poor people lack the knowledge or wealth to move to a different state [Hume] |
| 21102 | We all know that the history of property is founded on injustices [Hume] |
| 473 | There is no falsehood in harmony and number, only in irrational things [Philolaus] |
| 1518 | Everything must involve numbers, or it couldn't be thought about or known [Philolaus] |
| 1519 | Harmony must pre-exist the cosmos, to bring the dissimilar sources together [Philolaus] |
| 469 | Existing things, and hence the Cosmos, are a mixture of the Limited and the Unlimited [Philolaus] |
| 476 | Self-created numbers make the universe stable [Philolaus] |
| 1787 | Philolaus was the first person to say the earth moves in a circle [Philolaus, by Diog. Laertius] |