17 ideas
| 20771 | Six parts: dialectic, rhetoric, ethics, politics, physics, theology [Cleanthes, by Diog. Laertius] |
| 11211 | If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt] |
| 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] |
| 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] |
| 11214 | We learn 'not' along with affirmation, by learning to either affirm or deny a sentence [Rumfitt] |
| 21740 | I doubt whether ethics is part of philosophy [Russell] |
| 21741 | 'You ought to do p' primarily has emotional content, expressing approval [Russell] |
| 21746 | Unlike hate, all desires can be satisfied by love [Russell] |
| 21747 | Goodness is a combination of love and knowledge [Russell] |
| 21743 | In wartime, happiness is hating the enemy, because it gives the war a purpose [Russell] |
| 21742 | Originally virtue was obedience, to gods, government, or custom [Russell] |
| 21745 | Act so as to produce harmonious rather than discordant desires [Russell] |
| 21744 | Legally curbing people's desires is inferior to improving their desires [Russell] |
| 22891 | We could be aware of time if senses briefly vibrated, extending their experience of movement [Russell, by Bardon] |
| 5993 | The ascending scale of living creatures requires a perfect being [Cleanthes, by Tieleman] |