5 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] |
12251 | Substantial forms are not understood, and explain nothing [Descartes] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
16772 | An angelic mind would not experience pain, even when connected to a human body [Descartes, by Pasnau] |