display all the ideas for this combination of texts
3 ideas
| 1651 | Plato wanted to somehow control and purify the passions [Vlastos on Plato] |
| 8688 | Concepts can be presented extensionally (as objects) or intensionally (as a characterization) [Friend] |
| 9145 | We form the image of a cardinal number by a double abstraction, from the elements and from their order [Cantor] |