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| - Tex Command
NAME
| - pipe character; vertical bar; absolute value.
SYNOPSIS
{ | }
DESCRIPTION
| is used as pipe character; vertical bar; absolute value. It acts as non-stretchy when used alone; stretchy when used with \left or \right.
EXAMPLES
|x|
$ |x| $|\frac ab|
$ |\frac ab| $\left|\frac ab\right|
$ \left|\frac ab\right| $\{x | x\in\Bbb Z\}
$ \{x | x\in\Bbb Z\} $\{x\,|\,x\in\Bbb Z\}
$ \{x\,|\,x\in\Bbb Z\} $
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