19 ideas
22438 | Philosophy is largely concerned with finding the minimum that science could get by with [Quine] |
22436 | Logicians don't paraphrase logic into language, because they think in the symbolic language [Quine] |
22431 | Good algorithms and theories need many occurrences of just a few elements [Quine] |
22435 | The logician's '→' does not mean the English if-then [Quine] |
22433 | It is important that the quantification over temporal entities is timeless [Quine] |
9358 | There are several logics, none of which will ever derive falsehoods from truth [Lewis,CI] |
22437 | Logical languages are rooted in ordinary language, and that connection must be kept [Quine] |
9357 | Excluded middle is just our preference for a simplified dichotomy in experience [Lewis,CI] |
22434 | Reduction to logical forms first simplifies idioms and grammar, then finds a single reading of it [Quine] |
9364 | Names represent a uniformity in experience, or they name nothing [Lewis,CI] |
12714 | The substantial form is the principle of action or the primitive force of acting [Leibniz] |
12743 | A true being must (unlike a chain) have united parts, with a substantial form as its subject [Leibniz] |
9362 | Necessary truths are those we will maintain no matter what [Lewis,CI] |
22432 | Normally conditionals have no truth value; it is the consequent which has a conditional truth value [Quine] |
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] |
22430 | If we understand a statement, we know the circumstances of its truth [Quine] |
9363 | Science seeks classification which will discover laws, essences, and predictions [Lewis,CI] |
13713 | Quine holds time to be 'space-like': past objects are as real as spatially remote ones [Quine, by Sider] |