Fraenkel Set Theory

Famous quotes containing the words set and/or theory:

    “The eyes that drew from me such fervent praise,
    The arms and hands and feet and countenance
    Which made me a stranger in my own romance
    And set me apart from the well-trodden ways;”
    —Petrarch (1304–1374)

    “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)