sigma-algebra

algebraic structure closed under numerable union, intersection, and complement.

en-GB/ˈsɪɡmə - ˈæld͡ʒɪbɹə/
en-US/ˈsɪɡmə - ˈæld͡ʒəbɹə/

Categories:

subsetDynkin systemfield of setssigma-ringpi-system