31 ideas
12596 | Reasoning aims at increasing explanatory coherence [Harman] |
12599 | Reason conservatively: stick to your beliefs, and prefer reasoning that preserves most of them [Harman] |
21544 | It seems that when a proposition is false, something must fail to subsist [Russell] |
12595 | We have a theory of logic (implication and inconsistency), but not of inference or reasoning [Harman] |
21539 | Excluded middle can be stated psychologically, as denial of p implies assertion of not-p [Russell] |
12597 | I might accept P and Q as likely, but reject P-and-Q as unlikely [Harman] |
12695 | Epicurean atomists say body is sensible, to distinguish it from space. [Garber] |
21538 | If two people perceive the same object, the object of perception can't be in the mind [Russell] |
12598 | Reality is the overlap of true complete theories [Harman] |
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] |
21532 | Full empiricism is not tenable, but empirical investigation is always essential [Russell] |
12602 | There is no natural border between inner and outer [Harman] |
12603 | We can only describe mental attitudes in relation to the external world [Harman] |
12601 | The way things look is a relational matter, not an intrinsic matter [Harman] |
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] |
12592 | Concepts in thought have content, but not meaning, which requires communication [Harman] |
12590 | Take meaning to be use in calculation with concepts, rather than in communication [Harman] |
12593 | The use theory attaches meanings to words, not to sentences [Harman] |
12588 | Meaning from use of thoughts, constructed from concepts, which have a role relating to reality [Harman] |
12589 | Some regard conceptual role semantics as an entirely internal matter [Harman] |
12600 | The content of thought is relations, between mental states, things in the world, and contexts [Harman] |
21543 | If p is false, then believing not-p is knowing a truth, so negative propositions must exist [Russell] |
12594 | If one proposition negates the other, which is the negative one? [Harman] |
12591 | Mastery of a language requires thinking, and not just communication [Harman] |
12705 | Epicurean atoms are distinguished by their extreme hardness [Garber] |