8 ideas
| 15457 | Interdefinition is useless by itself, but if we grasp one separately, we have them both [Lewis] |
| 21699 | Russell offered a paraphrase of definite description, to avoid the commitment to objects [Quine] |
| 15400 | We must avoid circularity between what is intrinsic and what is natural [Lewis, by Cameron] |
| 15458 | A property is 'intrinsic' iff it can never differ between duplicates [Lewis] |
| 15459 | Ellipsoidal stars seem to have an intrinsic property which depends on other objects [Lewis] |
| 3016 | Even the gods cannot strive against necessity [Pittacus, by Diog. Laertius] |
| 21700 | Taking sentences as the unit of meaning makes useful paraphrasing possible [Quine] |
| 21701 | Knowing a word is knowing the meanings of sentences which contain it [Quine] |