Congruence Classes

Famous quotes containing the words congruence and/or classes:

    As for butterflies, I can hardly conceive
    of one’s attending upon you; but to question
    the congruence of the complement is vain, if it exists.
    Marianne Moore (1887–1972)

    There are three classes into which all the women past seventy that ever I knew were to be divided: 1. That dear old soul; 2. That old woman; 3. That old witch.
    Samuel Taylor Coleridge (1772–1834)