17 ideas
16489 | Is it possible to state every possible truth about the whole course of nature without using 'not'? [Russell] |
23634 | Accepting the existence of anything presupposes the notion of existence [Reid] |
579 | Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle] |
16490 | Some facts about experience feel like logical necessities [Russell] |
23635 | Truths are self-evident to sensible persons who understand them clearly without prejudice [Reid] |
7631 | Sensation is not committed to any external object, but perception is [Reid] |
23637 | Primary qualities are the object of mathematics [Reid] |
23638 | Secondary qualities conjure up, and are confused with, the sensations which produce them [Reid] |
23639 | It is unclear whether a toothache is in the mind or in the tooth, but the word has a single meaning [Reid] |
16488 | It is hard to explain how a sentence like 'it is not raining' can be found true by observation [Russell] |
6492 | Reid is seen as the main direct realist of the eighteenth century [Reid, by Robinson,H] |
23641 | People dislike believing without evidence, and try to avoid it [Reid] |
23642 | If non-rational evidence reaches us, it is reason which then makes use of it [Reid] |
578 | Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle] |
23640 | Only mature minds can distinguish the qualities of a body [Reid] |
16491 | If we define 'this is not blue' as disbelief in 'this is blue', we eliminate 'not' as an ingredient of facts [Russell] |
4786 | Russell's 'at-at' theory says motion is to be at the intervening points at the intervening instants [Russell, by Psillos] |