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] |
16635 | Incorporeal substances are powers or forces [Descartes, by Pasnau] |
23366 | We see nature's will in the ways all people are the same [Epictetus] |
4022 | Epictetus says we should console others for misfortune, but not be moved by pity [Epictetus, by Taylor,C] |
23365 | If someone is weeping, you should sympathise and help, but not share his suffering [Epictetus] |
23368 | Perhaps we should persuade culprits that their punishment is just? [Epictetus] |
16684 | Impenetrability only belongs to the essence of extension [Descartes] |