display all the ideas for this combination of philosophers
3 ideas
| 9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |
| 13454 | Cantor says (vaguely) that we abstract numbers from equal sized sets [Hart,WD on Cantor] |
| 9145 | We form the image of a cardinal number by a double abstraction, from the elements and from their order [Cantor] |