13 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 19426 | 'Nominal' definitions just list distinguishing characteristics [Leibniz] |
| 15567 | Some events involve no change; they must, because causal histories involve unchanges [Lewis] |
| 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] |
| 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] |
| 19424 | Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz] |
| 19427 | True ideas represent what is possible; false ideas represent contradictions [Leibniz] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
| 15562 | Causation is a general relation derived from instances of causal dependence [Lewis] |
| 19425 | In the schools the Four Causes are just lumped together in a very obscure way [Leibniz] |