25 ideas
21544 | It seems that when a proposition is false, something must fail to subsist [Russell] |
8195 | Undecidable statements result from quantifying over infinites, subjunctive conditionals, and the past tense [Dummett] |
21539 | Excluded middle can be stated psychologically, as denial of p implies assertion of not-p [Russell] |
8194 | Surely there is no exact single grain that brings a heap into existence [Dummett] |
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] |
21538 | If two people perceive the same object, the object of perception can't be in the mind [Russell] |
8192 | I no longer think what a statement about the past says is just what can justify it [Dummett] |
21534 | The only thing we can say about relations is that they relate [Russell] |
21540 | Relational propositions seem to be 'about' their terms, rather than about the relation [Russell] |
21536 | When I perceive a melody, I do not perceive the notes as existing [Russell] |
21535 | Objects only exist if they 'occupy' space and time [Russell] |
21533 | Contingency arises from tensed verbs changing the propositions to which they refer [Russell] |
21537 | I assume we perceive the actual objects, and not their 'presentations' [Russell] |
8199 | The existence of a universe without sentience or intelligence is an unintelligible fantasy [Dummett] |
21532 | Full empiricism is not tenable, but empirical investigation is always essential [Russell] |
6901 | Understanding is needed for imagination, just as much as the other way around [Betteridge] |
21542 | Do incorrect judgements have non-existent, or mental, or external objects? [Russell] |
21541 | The complexity of the content correlates with the complexity of the object [Russell] |
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] |
21543 | If p is false, then believing not-p is knowing a truth, so negative propositions must exist [Russell] |
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] |