6 ideas
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
594 | Speusippus suggested underlying principles for every substance, and ended with a huge list [Speussipus, by Aristotle] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
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] |
2632 | Speusippus said things were governed by some animal force rather than the gods [Speussipus, by Cicero] |