6 ideas
| 8203 | All the arithmetical entities can be reduced to classes of integers, and hence to sets [Quine] |
| 18883 | Any equivalence relation among similar things allows the creation of an abstractum [Simons] |
| 18884 | Abstraction is usually seen as producing universals and numbers, but it can do more [Simons] |
| 8202 | Meaning is essence divorced from things and wedded to words [Quine] |
| 8201 | The distinction between meaning and further information is as vague as the essence/accident distinction [Quine] |
| 19035 | General Relativity allows substantivalism about space-time - that it has independent properties [Hoefer] |