11 ideas
9358 | There are several logics, none of which will ever derive falsehoods from truth [Lewis,CI] |
9357 | Excluded middle is just our preference for a simplified dichotomy in experience [Lewis,CI] |
9364 | Names represent a uniformity in experience, or they name nothing [Lewis,CI] |
11946 | Propensities are part of a situation, not part of the objects [Popper] |
9362 | Necessary truths are those we will maintain no matter what [Lewis,CI] |
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] |
9365 | We can maintain a priori principles come what may, but we can also change them [Lewis,CI] |
9361 | We have to separate the mathematical from physical phenomena by abstraction [Lewis,CI] |
9419 | A law of nature is a general axiom of the deductive system that is best for simplicity and strength [Lewis] |
9363 | Science seeks classification which will discover laws, essences, and predictions [Lewis,CI] |