4 ideas
19440 | How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya] |
17722 | The concept 'red' is tied to what actually individuates red things [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] |