11 ideas
| 23877 | Most people won't question an idea's truth if they depend on it [Weil] |
| 8983 | If 'red' is vague, then membership of the set of red things is vague, so there is no set of red things [Sainsbury] |
| 8986 | We should abandon classifying by pigeon-holes, and classify around paradigms [Sainsbury] |
| 8982 | Vague concepts are concepts without boundaries [Sainsbury] |
| 8984 | If concepts are vague, people avoid boundaries, can't spot them, and don't want them [Sainsbury] |
| 8985 | Boundaryless concepts tend to come in pairs, such as child/adult, hot/cold [Sainsbury] |
| 23878 | Weakness of will is the inadequacy of the original impetus to carry through the action [Weil] |
| 23879 | In a violent moral disagreement, it can't be that both sides are just following social morality [Weil] |
| 23880 | When war was a profession, customary morality justified any act of war [Weil] |
| 1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
| 5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |