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] |
21342 | A relation is internal if two things possessing the relation could not fail to be related [Moore,GE, by Heil] |
12694 | Essence is the distinct thinkability of anything [Leibniz] |