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] |
23217 | All of our happiness and misery arises entirely from the brain [Hippocrates] |
6011 | There is a remote first god (the Good), and a second god who organises the material world [Numenius, by O'Meara] |