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] |
16705 | Whiteness isn't created in an alteration, because it is just this-being-white [Oresme] |
20082 | Bodily movements are not actions, which are really the tryings within bodily movement [Hornsby, by Stout,R] |