9 ideas
9560 | S5 provides the correct logic for necessity in the broadly logical sense [Fine,K] |
9358 | There are several logics, none of which will ever derive falsehoods from truth [Lewis,CI] |
18844 | You would cripple mathematics if you denied Excluded Middle [Hilbert] |
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] |
9362 | Necessary truths are those we will maintain no matter what [Lewis,CI] |
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] |
9363 | Science seeks classification which will discover laws, essences, and predictions [Lewis,CI] |