## Bracket

parenthese

$( x )$

( x )

Parentheses, represented by "(" and ")", are used as they are and do not require any special notation or commands.

bracket

$[ x ]$

[ x ]

Brackets, represented by "[" and "]", are used as they are and do not require any special notation or commands.

bracket 2

$\lbrack x \rbrack$

\lbrack x \rbrack

The term "brack" is used as a shorthand for brackets "[" and "]".

square bracket

$\lceil x \rfloor$

\lceil x \rfloor

By combining the ceiling function and the floor function, you can create a notation that represents Japanese brackets.

square bracket 2

$\lfloor x \rceil$

\lfloor x \rceil
brace

$\{ x \}$

\{ x \}

Braces have special meaning, so if you want to display them as symbols, you need to use a backslash ("\") before them.

brace 2

$\lbrace x \rbrace$

\lbrace x \rbrace

You can also use the term "\brace" for braces.

angle bracket

$\langle x \rangle$

\langle x \rangle

By using the "\angle", you can create angle brackets.

big bracket

$\left[ \frac{ 1 }{ 2 } \right]$

\left[ \frac{ 1 }{ 2 } \right]

When you want to enclose a large expression within parentheses, you can use the "\left" and "\right" before the parentheses.

over brace

$\overbrace{ x + y + z }$

\overbrace{ x + y + z }

By using the "\overbrace", you can add a brace above an expression.

over brace and letter

$\overbrace{ a_1 + \cdots + a_n }^{ n }$

\overbrace{ a_1 + \cdots + a_n }^{ n }

By combining the "\overbrace" with the "^" symbol, you can add text above the brace.

under brace

$\underbrace{ x + y + z }$

\underbrace{ x + y + z }

By using the "\underbrace", you can add a brace below an expression.。

under brace and letter

$\underbrace{ a_1 + \cdots + a_n }_{ n }$

\underbrace{ a_1 + \cdots + a_n }_{ n }

By combining the "\underbrace" with the "_" symbol, you can add text below the brace.

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