4 ideas
13639 | Quine says higher-order items are intensional, and lack a clearly defined identity relation [Quine, by Shapiro] |
21557 | Russell confused use and mention, and reduced classes to properties, not to language [Quine, by Lackey] |
5467 | Euler said nature is instrinsically passive, and minds cause change [Euler, by Ellis] |
18202 | The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld] |