8 ideas
| 14779 | I reason in order to avoid disappointment and surprise [Peirce] |
| 18261 | A simplification which is complete constitutes a definition [Kant] |
| 14777 | That a judgement is true and that we judge it true are quite different things [Peirce] |
| 14780 | Only study logic if you think your own reasoning is deficient [Peirce] |
| 22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
| 14778 | Facts are hard unmoved things, unaffected by what people may think of them [Peirce] |
| 18260 | If we knew what we know, we would be astonished [Kant] |
| 23221 | The brain, and all the mental events within it, consists entirely of sensitive and rational matter [Cavendish] |