7 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
19053 | Logic would be more natural if negation only referred to predicates [Dummett] |
9470 | Modal logic is not an extensional language [Parsons,C] |
19052 | Natural language 'not' doesn't apply to sentences [Dummett] |
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] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |