Equivalence Class Structure

Famous quotes containing the words class and/or structure:

    Mankind divides itself into two classes,—benefactors and malefactors. The second class is vast, the first a handful.
    Ralph Waldo Emerson (1803–1882)

    It is difficult even to choose the adjective
    For this blank cold, this sadness without cause.
    The great structure has become a minor house.
    No turban walks across the lessened floors.
    The greenhouse never so badly needed paint.
    Wallace Stevens (1879–1955)