4 ideas
16661 | There are two sorts of category - referring to things, and to circumstances of things [Boethius] |
9155 | An a priori proof is independent of experience [Leibniz] |
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] |