3 ideas
21548 | The null class is the class with all the non-existents as its members [MacColl, by Lackey] |
8972 | What in the real world could ground the distinction between the sets {A,{A,B}} and {B,{A,B}}? [Inwagen] |
7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |