20 ideas
8952 | We reach 'reflective equilibrium' when intuitions and theory completely align [Fisher] |
10845 | To be true a sentence must express a proposition, and not be ambiguous or vague or just expressive [Lewis] |
10847 | Truthmakers are about existential grounding, not about truth [Lewis] |
10846 | Truthmaker is correspondence, but without the requirement to be one-to-one [Lewis] |
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] |
8950 | Logic formalizes how we should reason, but it shouldn't determine whether we are realists [Fisher] |
21642 | If quantification is all substitutional, there is no ontology [Quine] |
1633 | Absolute ontological questions are meaningless, because the answers are circular definitions [Quine] |
8946 | We could make our intuitions about heaps precise with a million-valued logic [Fisher] |
18964 | Ontology is relative to both a background theory and a translation manual [Quine] |
8944 | Vagueness can involve components (like baldness), or not (like boredom) [Fisher] |
18965 | We know what things are by distinguishing them, so identity is part of ontology [Quine] |
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] |
1634 | Two things are relative - the background theory, and translating the object theory into the background theory [Quine] |
8470 | Reference is inscrutable, because we cannot choose between theories of numbers [Quine, by Orenstein] |
18963 | Indeterminacy translating 'rabbit' depends on translating individuation terms [Quine] |