23 ideas
9358 | There are several logics, none of which will ever derive falsehoods from truth [Lewis,CI] |
8195 | Undecidable statements result from quantifying over infinites, subjunctive conditionals, and the past tense [Dummett] |
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] |
8194 | Surely there is no exact single grain that brings a heap into existence [Dummett] |
23026 | We know mathematical axioms, such as subtracting equals from equals leaves equals, by a natural light [Leibniz] |
8190 | Intuitionists rely on the proof of mathematical statements, not their truth [Dummett] |
8198 | A 'Cambridge Change' is like saying 'the landscape changes as you travel east' [Dummett] |
8192 | I no longer think what a statement about the past says is just what can justify it [Dummett] |
13189 | A necessary feature (such as air for humans) is not therefore part of the essence [Leibniz] |
9362 | Necessary truths are those we will maintain no matter what [Lewis,CI] |
19432 | Intelligible truth is independent of any external things or experiences [Leibniz] |
8199 | The existence of a universe without sentience or intelligence is an unintelligible fantasy [Dummett] |
9365 | We can maintain a priori principles come what may, but we can also change them [Lewis,CI] |
19430 | We know objects by perceptions, but their qualities don't reveal what it is we are perceiving [Leibniz] |
19431 | There is nothing in the understanding but experiences, plus the understanding itself, and the understander [Leibniz] |
9361 | We have to separate the mathematical from physical phenomena by abstraction [Lewis,CI] |
8193 | Verification is not an individual but a collective activity [Dummett] |
8189 | Truth-condition theorists must argue use can only be described by appeal to conditions of truth [Dummett] |
8191 | The truth-conditions theory must get agreement on a conception of truth [Dummett] |
9363 | Science seeks classification which will discover laws, essences, and predictions [Lewis,CI] |
8197 | Maybe past (which affects us) and future (which we can affect) are both real [Dummett] |
8196 | The present cannot exist alone as a mere boundary; past and future truths are rendered meaningless [Dummett] |