5 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] |
17783 | A number is not a multitude, but a unified ratio between quantities [Newton] |
18284 | Particulars can be verified or falsified, but general statements can only be falsified (conclusively) [Popper] |