21 ideas
| 3067 | A philosopher should have principles ready for understanding, like a surgeon with instruments [Aurelius] |
| 19306 | It is a principle of reasoning not to clutter your mind with trivialities [Harman] |
| 19304 | The rules of reasoning are not the rules of logic [Harman] |
| 19307 | If there is a great cost to avoiding inconsistency, we learn to reason our way around it [Harman] |
| 19309 | Logic has little relevance to reasoning, except when logical conclusions are immediate [Harman] |
| 19303 | Implication just accumulates conclusions, but inference may also revise our views [Harman] |
| 12268 | Contradiction is impossible [Antisthenes (I), by Aristotle] |
| 602 | Some fools think you cannot define anything, but only say what it is like [Antisthenes (I), by Aristotle] |
| 3072 | Everything is changing, including yourself and the whole universe [Aurelius] |
| 19305 | The Gambler's Fallacy (ten blacks, so red is due) overemphasises the early part of a sequence [Harman] |
| 19310 | High probability premises need not imply high probability conclusions [Harman] |
| 19308 | We strongly desire to believe what is true, even though logic does not require it [Harman] |
| 19311 | In revision of belief, we need to keep track of justifications for foundations, but not for coherence [Harman] |
| 19312 | Coherence is intelligible connections, especially one element explaining another [Harman] |
| 3066 | Nothing is evil which is according to nature [Aurelius] |
| 3071 | Justice has no virtue opposed to it, but pleasure has temperance opposed to it [Aurelius] |
| 1664 | I would rather go mad than experience pleasure [Antisthenes (I)] |
| 3069 | The art of life is more like the wrestler's than the dancer's [Aurelius] |
| 21385 | Antisthenes said virtue is teachable and permanent, is life's goal, and is like universal wealth [Antisthenes (I), by Long] |
| 3065 | Humans are naturally made for co-operation [Aurelius] |
| 2631 | Antisthenes says there is only one god, which is nature [Antisthenes (I), by Cicero] |