6 ideas
7500 | Early Greeks cared about city and companions; later Greeks concentrated on the self [Foucault] |
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] |
7501 | Why couldn't a person's life become a work of art? [Foucault] |
7498 | Greeks and early Christians were much more concerned about food than about sex [Foucault] |
12709 | Motion is not absolute, but consists in relation [Leibniz] |