37 ideas
18005 | Philosophy aims to become more disciplined about categories [Ryle] |
18004 | We can't do philosophy without knowledge of types and categories [Ryle] |
13985 | A true proposition seems true of one fact, but a false proposition seems true of nothing at all. [Ryle] |
13984 | Two maps might correspond to one another, but they are only 'true' of the country they show [Ryle] |
14239 | The empty set is usually derived from Separation, but it also seems to need Infinity [Oliver/Smiley] |
14240 | The empty set is something, not nothing! [Oliver/Smiley] |
14241 | We don't need the empty set to express non-existence, as there are other ways to do that [Oliver/Smiley] |
14242 | Maybe we can treat the empty set symbol as just meaning an empty term [Oliver/Smiley] |
14243 | The unit set may be needed to express intersections that leave a single member [Oliver/Smiley] |
13979 | Logic studies consequence, compatibility, contradiction, corroboration, necessitation, grounding.... [Ryle] |
10800 | The values of variables can't determine existence, because they are just expressions [Ryle, by Quine] |
14234 | If you only refer to objects one at a time, you need sets in order to refer to a plurality [Oliver/Smiley] |
14237 | We can use plural language to refer to the set theory domain, to avoid calling it a 'set' [Oliver/Smiley] |
14245 | Logical truths are true no matter what exists - but predicate calculus insists that something exists [Oliver/Smiley] |
14246 | If mathematics purely concerned mathematical objects, there would be no applied mathematics [Oliver/Smiley] |
14247 | Sets might either represent the numbers, or be the numbers, or replace the numbers [Oliver/Smiley] |
13988 | Many sentences do not state facts, but there are no facts which could not be stated [Ryle] |
14297 | A dispositional property is not a state, but a liability to be in some state, given a condition [Ryle] |
14300 | No physical scientist now believes in an occult force-exerting agency [Ryle] |
13983 | Representation assumes you know the ideas, and the reality, and the relation between the two [Ryle] |
2713 | Are sense-data independent, with identity, substance and location? [Tye] |
2622 | Can one movement have a mental and physical cause? [Ryle] |
1353 | Reporting on myself has the same problems as reporting on you [Ryle] |
1354 | We cannot introspect states of anger or panic [Ryle] |
2624 | I cannot prepare myself for the next thought I am going to think [Ryle] |
2620 | Dualism is a category mistake [Ryle] |
2388 | Behaviour depends on desires as well as beliefs [Chalmers on Ryle] |
3354 | You can't explain mind as dispositions, if they aren't real [Benardete,JA on Ryle] |
2387 | How can behaviour be the cause of behaviour? [Chalmers on Ryle] |
13980 | If you like judgments and reject propositions, what are the relata of incoherence in a judgment? [Ryle] |
13978 | Husserl and Meinong wanted objective Meanings and Propositions, as subject-matter for Logic [Ryle] |
13977 | When I utter a sentence, listeners grasp both my meaning and my state of mind [Ryle] |
13976 | 'Propositions' name what is thought, because 'thoughts' and 'judgments' are too ambiguous [Ryle] |
13981 | Several people can believe one thing, or make the same mistake, or share one delusion [Ryle] |
13987 | We may think in French, but we don't know or believe in French [Ryle] |
13989 | There are no propositions; they are just sentences, used for thinking, which link to facts in a certain way [Ryle] |
13982 | If we accept true propositions, it is hard to reject false ones, and even nonsensical ones [Ryle] |