4 ideas
18119 | Mathematics is a mental activity which does not use language [Brouwer, by Bostock] |
10245 | One geometry cannot be more true than another [Poincaré] |
18118 | Brouwer regards the application of mathematics to the world as somehow 'wicked' [Brouwer, by Bostock] |
10650 | In the military, persons are parts of parts of large units, but not parts of those large units [Rescher] |