9 ideas
| 18261 | A simplification which is complete constitutes a definition [Kant] |
| 9616 | A set is a collection into a whole of distinct objects of our intuition or thought [Cantor] |
| 22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
| 7557 | To solve Zeno's paradox, reject the axiom that the whole has more terms than the parts [Russell] |
| 10059 | In mathematic we are ignorant of both subject-matter and truth [Russell] |
| 7556 | A collection is infinite if you can remove some terms without diminishing its number [Russell] |
| 15896 | Cantor needed Power Set for the reals, but then couldn't count the new collections [Cantor, by Lavine] |
| 7554 | Self-evidence is often a mere will-o'-the-wisp [Russell] |
| 18260 | If we knew what we know, we would be astonished [Kant] |