8 ideas
| 7085 | The main problem of philosophy is what can and cannot be thought and expressed [Wittgenstein, by Grayling] |
| 21699 | Russell offered a paraphrase of definite description, to avoid the commitment to objects [Quine] |
| 23463 | Atomic facts correspond to true elementary propositions [Wittgenstein] |
| 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] |
| 23490 | A thought is mental constituents that relate to reality as words do [Wittgenstein] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |