Equivalence Class Structure

Famous quotes containing the words class and/or structure:

    “Think of what our Nation stands for,
    Books from Boots’ and country lanes,
    Free speech, free passes, class distinction,
    Democracy and proper drains.”
    —Sir John Betjeman (1906–1984)

    “For the structure that we raise,
    Time is with materials filled;
    Our to-days and yesterdays
    Are the blocks with which we build.”
    —Henry Wadsworth Longfellow (1809–1882)