covering
131Jensen's covering theorem — In set theory, Jensen s covering theorem states that if 0# does not exist then every uncountable set of ordinals is contained in a constructible set of the same cardinality. Informally this conclusion says that the constructible universe is close …
132Newcastle Covering Force — The Newcastle Covering Force was a militia force responsible for protecting Newcastle, Australia and approaches during World War II which was formed on 8 April 1941. The unit was responsible for defending the important port and air bases in and… …
