6 ideas
2626 | A philosopher is outside any community of ideas [Wittgenstein] |
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] |
6569 | 'This sentence is false' sends us in a looping search for its proposition [Wittgenstein, by Fogelin] |
19440 | How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya] |
3790 | Causes of beliefs are irrelevant to their contents [Wittgenstein] |