23 ideas
8952 | We reach 'reflective equilibrium' when intuitions and theory completely align [Fisher] |
8251 | The logical space of reasons is a natural phenomenon, and it is the realm of freedom [McDowell] |
8943 | Three-valued logic says excluded middle and non-contradition are not tautologies [Fisher] |
8945 | Fuzzy logic has many truth values, ranging in fractions from 0 to 1 [Fisher] |
8951 | Classical logic is: excluded middle, non-contradiction, contradictions imply all, disjunctive syllogism [Fisher] |
18755 | Validity is explained as truth in all models, because that relies on the logical terms [McGee] |
8950 | Logic formalizes how we should reason, but it shouldn't determine whether we are realists [Fisher] |
18751 | Natural language includes connectives like 'because' which are not truth-functional [McGee] |
18761 | Second-order variables need to range over more than collections of first-order objects [McGee] |
18753 | An ontologically secure semantics for predicate calculus relies on sets [McGee] |
18754 | Logically valid sentences are analytic truths which are just true because of their logical words [McGee] |
18757 | Soundness theorems are uninformative, because they rely on soundness in their proofs [McGee] |
18760 | The culmination of Euclidean geometry was axioms that made all models isomorphic [McGee] |
8946 | We could make our intuitions about heaps precise with a million-valued logic [Fisher] |
8944 | Vagueness can involve components (like baldness), or not (like boredom) [Fisher] |
8941 | We can't explain 'possibility' in terms of 'possible' worlds [Fisher] |
8947 | If all truths are implied by a falsehood, then not-p might imply both q and not-q [Fisher] |
8949 | In relevance logic, conditionals help information to flow from antecedent to consequent [Fisher] |
8128 | Representation must be propositional if it can give reasons and be epistemological [McDowell, by Burge] |
19092 | There is no pure Given, but it is cultured, rather than entirely relative [McDowell, by Macbeth] |
8253 | Sense impressions already have conceptual content [McDowell] |
18762 | A maxim claims that if we are allowed to assert a sentence, that means it must be true [McGee] |
8254 | Forming concepts by abstraction from the Given is private definition, which the Private Lang. Arg. attacks [McDowell] |