14 ideas
18755 | Validity is explained as truth in all models, because that relies on the logical terms [McGee] |
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] |
13128 | 'Ultimate sortals' cannot explain ontological categories [Westerhoff on Wiggins] |
18762 | A maxim claims that if we are allowed to assert a sentence, that means it must be true [McGee] |
22971 | In moving from capitalism to communism a revolutionary dictatorship of the proletariat is needed [Marx] |
22000 | From each according to his ability, to each according to his need [Marx] |
22970 | Freedom is making the state subordinate to its society [Marx] |
22969 | People who only have their labour power are the slaves of those permitting them to work [Marx] |
22972 | Bourgeois 'freedom of conscience' just tolerates all sorts of religious intolerance [Marx] |