Stationary Set

In mathematics, particularly in set theory and model theory, there are at least three notions of stationary set:

Read more about Stationary Set:  Classical Notion, Jech's Notion, Generalized Notion

Famous quotes containing the words stationary and/or set:

    “It is the dissenter, the theorist, the aspirant, who is quitting this ancient domain to embark on seas of adventure, who engages our interest. Omitting then for the present all notice of the stationary class, we shall find that the movement party divides itself into two classes, the actors, and the students.”
    —Ralph Waldo Emerson (1803–1882)

    “I let my neighbor know beyond the hill;
    And on a day we meet to walk the line
    And set the wall between us once again.
    We keep the wall between us as we go.”
    —Robert Frost (1874–1963)