8 ideas
| 3291 | Emergent properties appear at high levels of complexity, but aren't explainable by the lower levels [Nagel] |
| 23633 | Many truths seem obvious, and point to universal agreement - which is what we find [Reid] |
| 23630 | Only philosophers treat ideas as objects [Reid] |
| 23629 | The ambiguity of words impedes the advancement of knowledge [Reid] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 23632 | Similar effects come from similar causes, and causes are only what are sufficient for the effects [Reid] |
| 3290 | Given the nature of heat and of water, it is literally impossible for water not to boil at the right heat [Nagel] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |