5 ideas
21548 | The null class is the class with all the non-existents as its members [MacColl, by Lackey] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
22745 | Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |
5883 | Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero] |