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)

    The grip that swung the ax in Illinois
    Was on the pen that set a people free.
    Edwin Markham (1852–1940)

    Won’t this whole instinct matter bear revision?
    Won’t almost any theory bear revision?
    To err is human, not to, animal.
    Robert Frost (1874–1963)