Real Number - "Reals" in Set Theory

"Reals" in Set Theory

In set theory, specifically descriptive set theory, the Baire space is used as a surrogate for the real numbers since the latter have some topological properties (connectedness) that are a technical inconvenience. Elements of Baire space are referred to as "reals".

Read more about this topic:  Real Number

Famous quotes containing the words set and/or theory:

    yes, set fire to frostbitten crops,
    drag out forgotten fruit
    to dance the flame-tango,
    the smoke-gavotte,
    to live after all....
    Denise Levertov (b. 1923)

    every subjective phenomenon is essentially connected with a single point of view, and it seems inevitable that an objective, physical theory will abandon that point of view.
    Thomas Nagel (b. 1938)