4 ideas
18470 | Maybe truth-making is an unanalysable primitive, but we can specify principles for it [Smith,B] |
18189 | ZFC could contain a contradiction, and it can never prove its own consistency [MacLane] |
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] |