3 ideas
21548 | The null class is the class with all the non-existents as its members [MacColl, by Lackey] |
8638 | Thomae's idea of abstract from peculiarities gives a general concept, and leaves the peculiarities [Frege on Thomae] |
1513 | The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus] |