5 ideas
23367 | Even pointing a finger should only be done for a reason [Epictetus] |
13639 | Quine says higher-order items are intensional, and lack a clearly defined identity relation [Quine, by Shapiro] |
17813 | Löwenheim-Skolem says any theory with a true interpretation has a model in the natural numbers [White,NP] |
17812 | Finite cardinalities don't need numbers as objects; numerical quantifiers will do [White,NP] |
21557 | Russell confused use and mention, and reduced classes to properties, not to language [Quine, by Lackey] |