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)

    “Freedom is slavery some poets tell us.
    Enslave yourself to the right leader’s truth,
    Christ’s or Karl Marx’, and it will set you free.”
    —Robert Frost (1874–1963)

    “The theory of rights enables us to rise and overthrow obstacles, but not to found a strong and lasting accord between all the elements which compose the nation.”
    —Giuseppe Mazzini (1805–1872)