6 ideas
9470 | Modal logic is not an extensional language [Parsons,C] |
9469 | Substitutional existential quantifier may explain the existence of linguistic entities [Parsons,C] |
9468 | On the substitutional interpretation, '(∃x) Fx' is true iff a closed term 't' makes Ft true [Parsons,C] |
18281 | In mathematics everything is algorithm and nothing is meaning [Wittgenstein] |
12583 | Belief truth-conditions are normal circumstances where the belief is supposed to occur [Papineau] |
6606 | Consider: "Imagine this butterfly exactly as it is, but ugly instead of beautiful" [Wittgenstein] |