11 ideas
9103 | A universal is not a real feature of objects, but only a thought-object in the mind [William of Ockham] |
5163 | Basic propositions refer to a single experience, are incorrigible, and conclusively verifiable [Ayer] |
7458 | The reliability of witnesses depends on whether they benefit from their observations [Laplace, by Hacking] |
5167 | The argument from analogy fails, so the best account of other minds is behaviouristic [Ayer] |
3441 | If a supreme intellect knew all atoms and movements, it could know all of the past and the future [Laplace] |
9104 | A universal is the result of abstraction, which is only a kind of mental picturing [William of Ockham] |
5164 | A statement is meaningful if observation statements can be deduced from it [Ayer] |
5165 | Directly verifiable statements must entail at least one new observation statement [Ayer] |
5166 | The principle of verification is not an empirical hypothesis, but a definition [Ayer] |
5162 | Sentences only express propositions if they are meaningful; otherwise they are 'statements' [Ayer] |
5168 | Moral approval and disapproval concerns classes of actions, rather than particular actions [Ayer] |