4 ideas
18119 | Mathematics is a mental activity which does not use language [Brouwer, by Bostock] |
18118 | Brouwer regards the application of mathematics to the world as somehow 'wicked' [Brouwer, by Bostock] |
1556 | By nature people are close to one another, but culture drives them apart [Hippias] |
11968 | The intension of a sentence is the set of all possible worlds in which it is true [Carnap, by Kaplan] |