11 ideas
| 22104 | Truth is the conformity of being to intellect [Aquinas] |
| 22103 | Being is basic to thought, and all other concepts are additions to being [Aquinas] |
| 15561 | The events that suit semantics may not be the events that suit causation [Lewis] |
| 15565 | Events have inbuilt essences, as necessary conditions for their occurrence [Lewis] |
| 15566 | Events are classes, and so there is a mereology of their parts [Lewis] |
| 15567 | Some events involve no change; they must, because causal histories involve unchanges [Lewis] |
| 15564 | An event is a property of a unique space-time region [Lewis] |
| 15563 | Properties are very abundant (unlike universals), and are used for semantics and higher-order variables [Lewis] |
| 541 | Virtue comes more from habit than character [Critias] |
| 15562 | Causation is a general relation derived from instances of causal dependence [Lewis] |
| 542 | Fear of the gods was invented to discourage secret sin [Critias] |