4 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] |
20041 | Intentional actions are those which are explained by giving the reason for so acting [Anscombe] |
7350 | The Torah just says: do not do to your neighbour what is hateful to you [Hillel the Elder] |