5 ideas
| 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] |
| 2667 | A false object might give the same presentation as a true one [Arcesilaus, by Cicero] |
| 6005 | Animals are dangerous and nourishing, and can't form contracts of justice [Hermarchus, by Sedley] |
| 9419 | A law of nature is a general axiom of the deductive system that is best for simplicity and strength [Lewis] |