Equivalence Class Structure

Famous quotes containing the words class and/or structure:

    History is full, down to this day, of the imbecility of kings and governors. They are a class of persons much to be pitied, for they know not what they should do.
    Ralph Waldo Emerson (1803–1882)

    Who says that fictions only and false hair
    Become a verse? Is there in truth no beauty?
    Is all good structure in a winding stair?
    May no lines pass, except they do their duty
    Not to a true, but painted chair?
    George Herbert (1593–1633)