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

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

    ... the constructive power of an image is not measured in terms of its truth, but of the love it inspires.
    Sarah Patton Boyle, U.S. civil rights activist and author. The Desegregated Heart, part 1, ch. 15 (1962)

    Take two kids in competition for their parents’ love and attention. Add to that the envy that one child feels for the accomplishments of the other; the resentment that each child feels for the privileges of the other; the personal frustrations that they don’t dare let out on anyone else but a brother or sister, and it’s not hard to understand why in families across the land, the sibling relationship contains enough emotional dynamite to set off rounds of daily explosions.
    Adele Faber (20th century)

    The things that will destroy America are prosperity-at-any- price, peace-at-any-price, safety-first instead of duty-first, the love of soft living, and the get-rich-quick theory of life.
    Theodore Roosevelt (1858–1919)