self-inverse function

  • 121AWK — This article is about the programming language. For other uses, see AWK (disambiguation). AWK Paradigm(s) scripting, procedural, event driven Appeared in 1977 Designed by Alfred Aho, Peter Weinberger, and Brian Kernighan …

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  • 122Modafinil — Systematic (IUPAC) name (±) 2 (benzhydrylsulfinyl)acetamide …

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  • 123Artificial 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… …

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  • 124Arrow's impossibility theorem — In social choice theory, Arrow’s impossibility theorem, the General Possibility Theorem, or Arrow’s paradox, states that, when voters have three or more distinct alternatives (options), no voting system can convert the ranked preferences of… …

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  • 125electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …

    Universalium

  • 126photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …

    Universalium

  • 127Health and Disease — ▪ 2009 Introduction Food and Drug Safety.       In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …

    Universalium

  • 128Hegel’s logic and philosophy of mind — Willem deVries LOGIC AND MIND IN HEGEL’S PHILOSOPHY Hegel is above all a systematic philosopher. Awe inspiring in its scope, his philosophy left no subject untouched. Logic provides the central, unifying framework as well as the general… …

    History of philosophy