Fraenkel Set Theory

Famous quotes containing the words set and/or theory:

    I think it better that in times like these
    A poet’s mouth be silent, for in truth
    We have no gift to set a statesman right.
    William Butler Yeats (1865–1939)

    Osteopath—One who argues that all human ills are caused by the pressure of hard bone upon soft tissue. The proof of his theory is to be found in the heads of those who believe it.
    —H.L. (Henry Lewis)