Constructive Set Theory/aczels Constructive Zermelo%e2%80%93fraenkel

Famous quotes containing the words constructive, set and/or theory:

    “Friendship among nations, as among individuals, calls for constructive efforts to muster the forces of humanity in order that an atmosphere of close understanding and cooperation may be cultivated.”
    —Franklin D. Roosevelt (1882–1945)

    “I have resolved on an enterprise that has no precedent and will have no imitator. I want to set before my fellow human beings a man in every way true to nature; and that man will be myself.”
    —Jean-Jacques Rousseau (1712–1778)

    “The theory [before the twentieth century] ... was that all the jobs in the world belonged by right to men, and that only men were by nature entitled to wages. If a woman earned money, outside domestic service, it was because some misfortune had deprived her of masculine protection.”
    —Rheta Childe Dorr (1866–1948)