26 ideas
18274 | Analysis complicates a statement, but only as far as the complexity of its meaning [Wittgenstein] |
9358 | There are several logics, none of which will ever derive falsehoods from truth [Lewis,CI] |
16908 | We can dispense with self-evidence, if language itself prevents logical mistakes [Jeshion on Wittgenstein] |
9357 | Excluded middle is just our preference for a simplified dichotomy in experience [Lewis,CI] |
18276 | A statement's logical form derives entirely from its constituents [Wittgenstein] |
6563 | 'And' and 'not' are non-referring terms, which do not represent anything [Wittgenstein, by Fogelin] |
9364 | Names represent a uniformity in experience, or they name nothing [Lewis,CI] |
23634 | Accepting the existence of anything presupposes the notion of existence [Reid] |
23472 | The sense of propositions relies on the world's basic logical structure [Wittgenstein] |
9362 | Necessary truths are those we will maintain no matter what [Lewis,CI] |
23635 | Truths are self-evident to sensible persons who understand them clearly without prejudice [Reid] |
23500 | My main problem is the order of the world, and whether it is knowable a priori [Wittgenstein] |
9365 | We can maintain a priori principles come what may, but we can also change them [Lewis,CI] |
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] |
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] |
22323 | The philosophical I is the metaphysical subject, the limit - not a part of the world [Wittgenstein] |
23640 | Only mature minds can distinguish the qualities of a body [Reid] |
9361 | We have to separate the mathematical from physical phenomena by abstraction [Lewis,CI] |
23481 | Propositions assemble a world experimentally, like the model of a road accident [Wittgenstein] |
4678 | Absolute prohibitions are the essence of ethics, and suicide is the most obvious example [Wittgenstein] |
9363 | Science seeks classification which will discover laws, essences, and predictions [Lewis,CI] |