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)

    The host, the housekeeper, it is
    who fails you. He had forgotten
    to make room for you at the hearth
    or set a place for you at the table
    or leave the doors unlocked for you.
    Denise Levertov (b. 1923)

    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)