5 ideas
17831 | Cantor gives informal versions of ZF axioms as ways of getting from one set to another [Cantor, by Lake] |
4042 | Metaphysics requires the idea of people (speakers) located in space and time [Davidson] |
4041 | Sentences held true determine the meanings of the words they contain [Davidson] |
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] |