12 ideas
| 17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
| 23647 | Objects have an essential constitution, producing its qualities, which we are too ignorant to define [Reid] |
| 11958 | Impossibilites are easily conceived in mathematics and geometry [Reid, by Molnar] |
| 23646 | Reference is by name, or a term-plus-circumstance, or ostensively, or by description [Reid] |
| 23645 | A word's meaning is the thing conceived, as fixed by linguistic experts [Reid] |
| 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] |