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] |
21963 | It is possible that an omnipotent God might make one and two fail to equal three [Descartes] |
7496 | Rules and duties are based on the will, as that is all we control [Montaigne] |