6 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 16661 | There are two sorts of category - referring to things, and to circumstances of things [Boethius] |
| 14361 | Lewis says indicative conditionals are truth-functional [Lewis, by Jackson] |
| 8434 | In good counterfactuals the consequent holds in world like ours except that the antecedent is true [Lewis, by Horwich] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
| 9419 | A law of nature is a general axiom of the deductive system that is best for simplicity and strength [Lewis] |