14 ideas
| 20771 | Six parts: dialectic, rhetoric, ethics, politics, physics, theology [Cleanthes, by Diog. Laertius] |
| 7548 | Classes, grouped by a convenient property, are logical constructions [Russell] |
| 14401 | Every proposition is entirely about being [Lewis] |
| 7545 | Visible things are physical and external, but only exist when viewed [Russell] |
| 7553 | Sense-data are purely physical [Russell] |
| 7549 | If my body literally lost its mind, the object seen when I see a flash would still exist [Russell] |
| 7546 | A man is a succession of momentary men, bound by continuity and causation [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] |
| 7550 | We could probably, in principle, infer minds from brains, and brains from minds [Russell] |
| 7551 | Matter is a logical construction [Russell] |
| 7547 | Matter requires a division into time-corpuscles as well as space-corpuscles [Russell] |
| 7552 | Six dimensions are needed for a particular, three within its own space, and three to locate that space [Russell] |
| 5993 | The ascending scale of living creatures requires a perfect being [Cleanthes, by Tieleman] |