5 ideas
19404 | Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz] |
18151 | Could we replace sets by the open sentences that define them? [Chihara, by Bostock] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
19403 | Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |