4 ideas
10190 | From the axiomatic point of view, mathematics is a storehouse of abstract structures [Bourbaki] |
21342 | A relation is internal if two things possessing the relation could not fail to be related [Moore,GE, by Heil] |
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] |