News of Otsego County. Serving Otsego County, NY, through the combined reporting of Cooperstown's Freeman's Journal and the Hometown Oneonta newspapers.
Updated February 25, 2017. The Brezhnev Doctrine was a Soviet foreign policy outlined in 1968 which called for the use of Warsaw Pact (but Russian-dominated) troops to intervene in any Eastern Bloc nation which was seen to compromise communist rule and Soviet domination.
Back to Top. Zermelo-Fraenkel set theory: the standard form of set theory and the most common foundation of modern mathematics, based on a list of nine axioms (usually modified by a tenth, the axiom of choice) about what kinds of sets exist, commonly abbreviated together as ZFC.