4 ideas
| 16661 | There are two sorts of category - referring to things, and to circumstances of things [Boethius] |
| 10494 | Several words may label a category; one word can name several categories; some categories lack words [Ellen] |
| 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] |