- extended real number system
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Math.the set of all real numbers with the points plus infinity and minus infinity added.
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Universalium. 2010.
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Universalium. 2010.
extended real number system — noun The real number system adjoined with two extra symbols: ∞ and minus;∞, inheriting the ordering of the real number system, and defining minus;∞ to be less than any real number, and ∞ to be larger than any real number … Wiktionary
extended real number system — Math. the set of all real numbers with the points plus infinity and minus infinity added … Useful english dictionary
Extended real number line — Positive infinity redirects here. For the band, see Positive Infinity. In mathematics, the affinely extended real number system is obtained from the real number system R by adding two elements: +∞ and −∞ (read as positive infinity and negative… … Wikipedia
Number system — This article is about different sets of numbers. For different methods of expressing numbers with symbols, see numeral system. In mathematics, a number system is a set of numbers, (in the broadest sense of the word), together with one or more… … Wikipedia
Real number — For the real numbers used in descriptive set theory, see Baire space (set theory). For the computing datatype, see Floating point number. A symbol of the set of real numbers … Wikipedia
Real projective line — In real analysis, the real projective line (also called the one point compactification of the real line, or the projectively extended real numbers ), is the set mathbb{R}cup{infty}, also denoted by widehat{mathbb{R and by mathbb{R}P^1.The symbol… … Wikipedia
Number — For other uses, see Numbers (disambiguation). A number is a mathematical object used to count and measure. In mathematics, the definition of number has been extended over the years to include such numbers as zero, negative numbers, rational… … Wikipedia
number — numberable, adj. numberer, n. /num beuhr/, n. 1. a numeral or group of numerals. 2. the sum, total, count, or aggregate of a collection of units, or the like: A number of people were hurt in the accident. The number of homeless children in the… … Universalium
System accident — A system accident is an unanticipated interaction of multiple failures in a complex system. This complexity can either be technological or organizational, and often is both.[1] A system accident can be very easy to see in hindsight, but very… … Wikipedia
REAL ID Act — of 2005 Full title To establish and rapidly implement regulations for State driver s license and identification document security standards, to prevent terrorists from abusing the asylum laws of the United States, to unify terrorism related… … Wikipedia