Category:Absolute Value Function

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This category contains results about Absolute Value Function.
Definitions specific to this category can be found in Definitions/Absolute Value Function.


Let $x \in \R$ be a real number.


The absolute value of $x$ is denoted $\size x$, and is defined using the usual ordering on the real numbers as follows:

$\size x = \begin{cases} x & : x > 0 \\ 0 & : x = 0 \\ -x & : x < 0 \end{cases}$