5 ideas
18256 | Quantity is inconceivable without the idea of addition [Frege] |
10242 | I apply structuralism to concrete and abstract objects indiscriminately [Quine] |
9831 | Geometry appeals to intuition as the source of its axioms [Frege] |
10243 | My ontology is quarks etc., classes of such things, classes of such classes etc. [Quine] |
16661 | There are two sorts of category - referring to things, and to circumstances of things [Boethius] |