8 ideas
| 20771 | Six parts: dialectic, rhetoric, ethics, politics, physics, theology [Cleanthes, by Diog. Laertius] |
| 21552 | Common speech is vague; its vocabulary and syntax must be modified, for precision [Russell] |
| 21551 | Empirical words need ostensive definition, which makes them egocentric [Russell] |
| 6028 | Bodies interact with other bodies, and cuts cause pain, and shame causes blushing, so the soul is a body [Cleanthes, by Nemesius] |
| 20831 | The soul suffers when the body hurts, creates redness from shame, and pallor from fear [Cleanthes] |
| 21550 | Science reduces indexicals to a minimum, but they can never be eliminated from empirical matters [Russell] |
| 19739 | The maxim for suicide is committed to the value of life, and is thus contradictory [Kant] |
| 5993 | The ascending scale of living creatures requires a perfect being [Cleanthes, by Tieleman] |