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] |
| 11211 | If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt] |
| 22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
| 11210 | Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt] |
| 11212 | The sense of a connective comes from primitively obvious rules of inference [Rumfitt] |
| 15896 | Cantor needed Power Set for the reals, but then couldn't count the new collections [Cantor, by Lavine] |
| 18260 | If we knew what we know, we would be astonished [Kant] |
| 11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |