4 ideas
9879 | NF has no models, but just blocks the comprehension axiom, to avoid contradictions [Quine, by Dummett] |
19216 | Propositions (such as 'that dog is barking') only exist if their items exist [Williamson] |
18052 | An assertion aims to add to the content of a context [Stalnaker, by Magidor] |
14718 | An assertion is an attempt to rule out certain possibilities, narrowing things down for good planning [Stalnaker, by Schroeter] |