4 ideas
13639 | Quine says higher-order items are intensional, and lack a clearly defined identity relation [Quine, by Shapiro] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
21557 | Russell confused use and mention, and reduced classes to properties, not to language [Quine, by Lackey] |
6017 | Nomos is king [Pindar] |