4 ideas
3339 | For Zermelo's set theory the empty set is zero and the successor of each number is its unit set [Zermelo, by Blackburn] |
9565 | Zermelo made 'set' and 'member' undefined axioms [Zermelo, by Chihara] |
6649 | Chomsky now says concepts are basically innate, as well as syntax [Chomsky, by Lowe] |
5954 | All inventions of the mind aim at pleasure, and those that don't are worthless [Metrodorus of Lamp., by Plutarch] |