5 ideas
| 3269 | If your life is to be meaningful as part of some large thing, the large thing must be meaningful [Nagel] |
| 8920 | Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz] |
| 12697 | Indivisibles are not parts, but the extrema of parts [Leibniz] |
| 3270 | Justifications come to an end when we want them to [Nagel] |
| 3268 | If a small brief life is absurd, then so is a long and large one [Nagel] |