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81Margaret Murray — For other people named Margaret Murray, see Margaret Murray (disambiguation). Margaret Alice Murray Born 13 July 1863 Kolkata, India Died 13 November 1963(1963 11 13) …
82Artificial neural network — An artificial neural network (ANN), usually called neural network (NN), is a mathematical model or computational model that is inspired by the structure and/or functional aspects of biological neural networks. A neural network consists of an… …
83Nihilism — This article is about the philosophical doctrines. For other uses, see Nihilism (disambiguation). Certainty series Agnosticism Belief Certainty Doubt Determini …
84Natural gas — For other uses, see Natural gas (disambiguation). Natural gas extraction by countries in cubic meters per year. Natural gas is a naturally occurring gas mixture consisting primarily of methane, typically with 0–20% higher hydrocarbons[1] …
85Pearl — For other uses, see Pearl (disambiguation). Pearl Pearls General Category Mineral Chemical formula Ca …
86Principle of bivalence — In logic, the semantic principle of bivalence states that every proposition takes exactly one of two truth values (e.g. truth or falsehood ). The laws of bivalence, excluded middle, and non contradiction are related, but they refer to the… …
87Utilitarianism — This article discusses utilitarian ethical theory. For a discussion of John Stuart Mill s book Utilitarianism, see Utilitarianism (book). For the architectural theory, see Utilitarianism (architecture) Part of a series on …
88Between Planets — Infobox Book name = Between Planets title orig = translator = image caption = First Edition cover for Between Planets author = Robert A. Heinlein illustrator = cover artist = Clifford Geary country = United States language = English series =… …
89William Cecil, 1st Baron Burghley — Lord Burghley redirects here. For other holders of the title, see Baron Burghley William Cecil, 1st Baron Burghley (13 September 1520 ndash; 4 August 1598), was an English statesman, the chief advisor and good friend of Queen Elizabeth I for most …
90MCI Inc. — MCI, Inc. is an American telecommunications company that is headquartered in Ashburn, Virginia. The corporation was the result of the merger of WorldCom (formerly known as LDDS followed by LDDS WorldCom) and MCI Communications, and used the name… …
