Fraenkel Set Theory

Famous quotes containing the words set and/or theory:

    And set off briskly for so slow a thing,
    Still going every which way in the joints, though,
    So that it looked like lightning or a scribble.
    Robert Frost (1874–1963)

    The theory of the Communists may be summed up in the single sentence: Abolition of private property.
    Karl Marx (1818–1883)