6 ideas
| 21699 | Russell offered a paraphrase of definite description, to avoid the commitment to objects [Quine] |
| 17750 | The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki] |
| 579 | Cratylus said you couldn't even step into the same river once [Cratylus, by Aristotle] |
| 578 | Cratylus decided speech was hopeless, and his only expression was the movement of a finger [Cratylus, by Aristotle] |
| 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] |