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Difference between revisions of "Real number"

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==External links==
 
==External links==
*[https://en.wikipedia.org/wiki/Real_number Wikipedia]
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*[[Wikipedia:Real_number|Real number]]
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{{Navbox NumberClasses}}
 
[[Category:Math]]
 
[[Category:Math]]

Revision as of 11:23, 7 March 2019

A real number is either a rational number or an irrational number. The set of real numbers is denoted by [math]\displaystyle{ \mathbb{R} }[/math].

Formally, [math]\displaystyle{ \mathbb{R} }[/math] can be constructed from [math]\displaystyle{ \mathbb{Q} }[/math], the set of rational numbers using Dedekind cuts.

External links

Number classes
General numbers
Special numbers
Prime numbers