4 ideas
7460 | The great moments are the death of Aristotle, Machiavelli, and Romanticism [Berlin, by Watson] |
18256 | Quantity is inconceivable without the idea of addition [Frege] |
9831 | Geometry appeals to intuition as the source of its axioms [Frege] |
16661 | There are two sorts of category - referring to things, and to circumstances of things [Boethius] |