5 ideas
15941 | For intuitionists excluded middle is an outdated historical convention [Brouwer] |
18247 | Brouwer saw reals as potential, not actual, and produced by a rule, or a choice [Brouwer, by Shapiro] |
9103 | A universal is not a real feature of objects, but only a thought-object in the mind [William of Ockham] |
1556 | By nature people are close to one another, but culture drives them apart [Hippias] |
9104 | A universal is the result of abstraction, which is only a kind of mental picturing [William of Ockham] |