26 ideas
21544 | It seems that when a proposition is false, something must fail to subsist [Russell] |
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
21539 | Excluded middle can be stated psychologically, as denial of p implies assertion of not-p [Russell] |
16405 | To understand a name (unlike a description) picking the thing out is sufficient? [Stalnaker] |
21538 | If two people perceive the same object, the object of perception can't be in the mind [Russell] |
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] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
16407 | Possible worlds allow separating all the properties, without hitting a bare particular [Stalnaker] |
21533 | Contingency arises from tensed verbs changing the propositions to which they refer [Russell] |
16397 | If it might be true, it might be true in particular ways, and possible worlds describe such ways [Stalnaker] |
16398 | Possible worlds allow discussion of modality without controversial modal auxiliaries [Stalnaker] |
16399 | Possible worlds are ontologically neutral, but a commitment to possibilities remains [Stalnaker] |
16396 | Kripke's possible worlds are methodological, not metaphysical [Stalnaker] |
16408 | Rigid designation seems to presuppose that differing worlds contain the same individuals [Stalnaker] |
21537 | I assume we perceive the actual objects, and not their 'presentations' [Russell] |
21532 | Full empiricism is not tenable, but empirical investigation is always essential [Russell] |
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] |
16406 | If you don't know what you say you can't mean it; what people say usually fits what they mean [Stalnaker] |
16404 | In the use of a name, many individuals are causally involved, but they aren't all the referent [Stalnaker] |
16403 | 'Descriptive' semantics gives a system for a language; 'foundational' semantics give underlying facts [Stalnaker] |
16401 | To understand an utterance, you must understand what the world would be like if it is true [Stalnaker] |
21543 | If p is false, then believing not-p is knowing a truth, so negative propositions must exist [Russell] |