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] |
6587 | It is always wrong to believe things on insufficient evidence [Clifford] |
17722 | The concept 'red' is tied to what actually individuates red things [Peacocke] |