Constructive Set Theory/intuitionistic 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)

    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 seems to be that so long as a man is a failure he is one of God’s chillun, but that as soon as he has any luck he owes it to the Devil.
    —H.L. (Henry Lewis)