In mathematics, Banach measure in measure theory may mean a real-valued function on an algebra of all subsets of a set (for example, all subsets of the plane), by means of which a rigid, finitely additive area can be defined for every set, even when a set does not have a true geometric area.
Measure for Measure | Ecclesiastical Jurisdiction Measure 1963 | Banach space | Hahn–Banach theorem | Gaussian measure | Banach algebra | Stefan Banach | Projection-valued measure | Measure B | Locally finite measure | Lebesgue measure | grain (measure) | Dirac measure | Borel measure | Banach–Tarski paradox | A Measure of Salvation |