4 ideas
13083 | The essence is the necessary properties, and the concept includes what is contingent [Leibniz] |
11127 | If concepts just are mental representations, what of concepts we may never acquire? [Peacocke] |
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] |