5 ideas
16541 | All the intrinsic properties of a thing should be deducible from its definition [Spinoza] |
18256 | Quantity is inconceivable without the idea of addition [Frege] |
9831 | Geometry appeals to intuition as the source of its axioms [Frege] |
13073 | To understand the properties we must know the essence, as with a circle [Spinoza] |
17722 | The concept 'red' is tied to what actually individuates red things [Peacocke] |