10 ideas
13832 | Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking] |
15565 | Events have inbuilt essences, as necessary conditions for their occurrence [Lewis] |
15567 | Some events involve no change; they must, because causal histories involve unchanges [Lewis] |
15566 | Events are classes, and so there is a mereology of their parts [Lewis] |
15561 | The events that suit semantics may not be the events that suit causation [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] |
15562 | Causation is a general relation derived from instances of causal dependence [Lewis] |
16713 | Philosophers are the forefathers of heretics [Tertullian] |
6610 | I believe because it is absurd [Tertullian] |