8 ideas
9565 | Zermelo made 'set' and 'member' undefined axioms [Zermelo, by Chihara] |
3339 | For Zermelo's set theory the empty set is zero and the successor of each number is its unit set [Zermelo, by Blackburn] |
8967 | Not all predicates can be properties - 'is non-self-exemplifying', for example [Lowe] |
8965 | Neither mere matter nor pure form can individuate a sphere, so it must be a combination [Lowe] |
8968 | If the flagpole causally explains the shadow, the shadow cannot explain the flagpole [Lowe] |
8966 | Properties are facets of objects, only discussable separately by an act of abstraction [Lowe] |
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] |