4 ideas
8693 | An 'abstraction principle' says two things are identical if they are 'equivalent' in some respect [Boolos] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
14014 | Space alone, and time alone, will fade away, and only their union has an independent reality [Minkowski] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |