8 ideas
17813 | Löwenheim-Skolem says any theory with a true interpretation has a model in the natural numbers [White,NP] |
17812 | Finite cardinalities don't need numbers as objects; numerical quantifiers will do [White,NP] |
9141 | Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert] |
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] |
22969 | People who only have their labour power are the slaves of those permitting them to work [Marx] |
22970 | Freedom is making the state subordinate to its society [Marx] |
22972 | Bourgeois 'freedom of conscience' just tolerates all sorts of religious intolerance [Marx] |