5 ideas
9470 | Modal logic is not an extensional language [Parsons,C] |
18946 | Unreflectively, we all assume there are nonexistents, and we can refer to them [Reimer] |
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] |
8754 | Logic is dependent on mathematics, not the other way round [Heyting, by Shapiro] |