# compactness

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**List of mathematics articles (C)**— NOTOC C C closed subgroup C minimal theory C normal subgroup C number C semiring C space C symmetry C* algebra C0 semigroup CA group Cabal (set theory) Cabibbo Kobayashi Maskawa matrix Cabinet projection Cable knot Cabri Geometry Cabtaxi number… …102

**List of mathematics articles (M)**— NOTOC M M estimator M group M matrix M separation M set M. C. Escher s legacy M. Riesz extension theorem M/M/1 model Maass wave form Mac Lane s planarity criterion Macaulay brackets Macbeath surface MacCormack method Macdonald polynomial Machin… …103

**Truth-value semantics**— In formal semantics, truth value semantics is an alternative to Tarskian semantics. It has been primarily championed by Ruth Barcan Marcus, H. Leblanc, and M. Dunn and N. Belnap. It is also called the substitution interpretation (of the… …104

**Paintball marker**— A paintball marker, also known as a paintball gun, is the central or main piece of equipment in the sport of paintball. Markers make use of an expanding gas such as carbon dioxide, compressed air or nitrogen dioxide to propel paintballs through… …105

**Riesz's lemma**— is an lemma in functional analysis. It specifies (often easy to check) conditions which guarantee that a subspace in a normed linear space is dense. The result Before stating the result, we fix some notation. Let X be a normed linear space with… …106

**League of United Latin American Citizens v. Perry**— SCOTUSCase Litigants=League of United Latin American Citizens v. Perry ArgueDate=March 1 ArgueYear=2006 DecideDate=June 28 DecideYear=2006 FullName=League of United Latin American Citizens, et. al. v. Rick Perry, Governor of Texas, et. all… …107

**Non-standard arithmetic**— In mathematical logic, a nonstandard model of arithmetic is a model of (first order) Peano arithmetic that contains nonstandard numbers. The standard model of arithmetic consists of the set of standard natural numbers {0, 1, 2, hellip;}. The… …108

**RickDate**— is a compressed date format using a base 36 numeral system to represent a date from the gregorian calendar system, using fewer characters than conventional YYYYMMDD base 10 notation.RickDate has two forms; a long form using five characters, and a …109

**Debashis Mukherjee**— At the 12th ICQC in Kyoto, 2006 Born 17 December 1946( …110

**Free-piston engine**— The free piston engine is a linear, crankless combustion engine, in which the piston motion is not controlled by a crankshaft but determined by the interaction of forces from the combustion cylinder gases, a rebound device and a load device.The… …