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  • 51Bernoulli number — In mathematics, the Bernoulli numbers Bn are a sequence of rational numbers with deep connections to number theory. They are closely related to the values of the Riemann zeta function at negative integers. There are several conventions for… …

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  • 52Invalid proof — In mathematics, there are a variety of spurious proofs of obvious contradictions. Although the proofs are flawed, the errors, usually by design, are comparatively subtle. These fallacies are normally regarded as mere curiosities, but can be used… …

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  • 53Factorial — n n! 0 1 1 1 2 2 3 6 4 24 5 120 6 720 7 …

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  • 54Gamma function — For the gamma function of ordinals, see Veblen function. The gamma function along part of the real axis In mathematics, the gamma function (represented by the capital Greek letter Γ) is an extension of the factorial function, with its… …

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  • 55Civil marriage — A civil marriage in 19th century Switzerland. (Albert Anker, 1887) Civil marriage is marriage performed by a government official and not a religious organization. Contents 1 …

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  • 56Critique of Pure Reason — Part of a series on Immanuel …

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  • 57New York City transit fares — The fares for services operated under the brands of MTA Regional Bus Operations (Regional Bus) (NYC Bus, LI Bus, MTA Bus) and the Westchester County Bee Line System (Bee Line) are listed below. Contents 1 Current fares 1.1 Base fares 1.2 …

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  • 58Labour Unions (Moral Aspects) —     Labour Unions (Moral Aspects)     † Catholic Encyclopedia ► Labour Unions (Moral Aspects)     Since a labour union is a society, its moral aspects are determined by its constitution, its end, its results, and the means employed in pursuit of… …

    Catholic encyclopedia

  • 59ONES — (Heb. אׂנֶס), either (1) compelling a person to act against his will, or (2) the occurrence of an unavoidable event that prevents or obstructs the performance of certain acts, or causes them to occur. Both categories of ones are derived… …

    Encyclopedia of Judaism

  • 60Aristotle — /ar euh stot l/, n. 384 322 B.C., Greek philosopher: pupil of Plato; tutor of Alexander the Great. * * * born 384, Stagira died 322 BC, Chalcis Greek philosopher and scientist whose thought determined the course of Western intellectual history… …

    Universalium