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

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

    “If grandparents want to have a meaningful and constructive role, the first lesson they must learn is that becoming a grandparent is not having a second chance at parenthood!”
    —Eda Le Shan (20th century)

    “From too much love of living,
    From hope and fear set free,
    We thank with brief thanksgiving
    Whatever gods may be
    That no life lives for ever;
    That dead men rise up never;
    That even the weariest river
    Winds somewhere safe to sea.”
    —A.C. (Algernon Charles)

    “[Anarchism] is the philosophy of the sovereignty of the individual. It is the theory of social harmony. It is the great, surging, living truth that is reconstructing the world, and that will usher in the Dawn.”
    —Emma Goldman (1869–1940)