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# Difference between revisions of "LaTeX:Symbols"

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This article will provide a short list of commonly used LaTeX symbols.

## Operators

Symbol Command Symbol Command Symbol Command
$\pm$ \pm $\mp$ \mp $\times$ \times
$\div$ \div $\cdot$ \cdot $\ast$ \ast
$\star$ \star $\dagger$ \dagger $\ddagger$ \ddagger
$\amalg$ \amalg $\cap$ \cap $\cup$ \cup
$\uplus$ \uplus $\sqcap$ \sqcap $\sqcup$ \sqcup
$\vee$ \vee $\wedge$ \wedge $\oplus$ \oplus
$\ominus$ \ominus $\otimes$ \otimes $\circ$ \circ
$\bullet$ \bullet $\diamond$ \diamond $\lhd$ \lhd
$\rhd$ \rhd $\unlhd$ \unlhd $\unrhd$ \unrhd
$\oslash$ \oslash $\odot$ \odot $\bigcirc$ \bigcirc
$\triangleleft$ \triangleleft $\Diamond$ \Diamond $\bigtriangleup$ \bigtriangleup
$\bigtriangledown$ \bigtriangledown $\Box$ \Box $\triangleright$ \triangleright
$\setminus$ \setminus $\wr$ \wr

## Relations

Symbol Command Symbol Command Symbol Command
$\le$ \le $\ge$ \ge $\neq$ \neq
$\sim$ \sim $\ll$ \ll $\gg$ \gg
$\doteq$ \doteq $\simeq$ \simeq $\subset$ \subset
$\supset$ \supset $\approx$ \approx $\asymp$ \asymp
$\subseteq$ \subseteq $\supseteq$ \supseteq $\cong$ \cong
$\smile$ \smile $\sqsubset$ \sqsubset $\sqsupset$ \sqsupset
$\equiv$ \equiv $\frown$ \frown $\sqsubseteq$ \sqsubseteq
$\sqsupseteq$ \sqsupseteq $\propto$ \propto $\bowtie$ \bowtie
$\in$ \in $\ni$ \ni $\prec$ \prec
$\succ$ \succ $\vdash$ \vdash $\dashv$ \dashv
$\preceq$ \preceq $\succeq$ \succeq $\models$ \models
$\perp$ \perp $\parallel$ \parallel $\|$ \|
$\mid$ \mid

Negations of many of these relations can be formed by just putting \not before the symbol, or by slipping an n between the \ and the word. Here are a few examples, plus a few other negations; it works for many of the others as well.

Symbol Command Symbol Command Symbol Command
$\nmid$ \nmid $\nleq$ \nleq $\ngeq$ \ngeq
$\nsim$ \nsim $\ncong$ \ncong $\nparallel$ \nparallel
$\not<$ \not< $\not>$ \not> $\not=$ \not=
$\not\le$ \not\le $\not\ge$ \not\ge $\not\sim$ \not\sim
$\not \approx$ \not\approx $\not\cong$ \not\cong $\not\equiv$ \not\equiv
$\not\parallel$ \not\parallel $\nless$ \nless $\ngtr$ \ngtr
$\lneq$ \lneq $\gneq$ \gneq $\lnsim$ \lnsim
$\lneqq$ \lneqq $\gneqq$ \gneqq

## Greek Letters

Lowercase Letters
Symbol Command Symbol Command Symbol Command Symbol Command
$\alpha$ \alpha $\beta$ \beta $\gamma$ \gamma $\delta$ \delta
$\epsilon$ \epsilon $\varepsilon$ \varepsilon $\zeta$ \zeta $\eta$ \eta
$\theta$ \theta $\vartheta$ \vartheta $\iota$ \iota $\kappa$ \kappa
$\lambda$ \lambda $\mu$ \mu $\nu$ \nu $\xi$ \xi
$\pi$ \pi $\varpi$ \varpi $\rho$ \rho $\varrho$ \varrho
$\sigma$ \sigma $\varsigma$ \varsigma $\tau$ \tau $\upsilon$ \upsilon
$\phi$ \phi $\varphi$ \varphi $\chi$ \chi $\psi$ \psi
$\omega$ \omega

Capital Letters
Symbol Command Symbol Command Symbol Command Symbol Command
$\Gamma$ \Gamma $\Delta$ \Delta $\Theta$ \Theta $\Lambda$ \Lambda
$\Xi$ \Xi $\Pi$ \Pi $\Sigma$ \Sigma $\Upsilon$ \Upsilon
$\Phi$ \Phi $\Psi$ \Psi

## Multi-Size Symbols

\frac{a}{b} produces a fraction with numerator $a$ and denominator $b$. $\frac{a}{b}$

^\circ produces the degrees symbol. $a^{\circ}$

\text{Your Text Here} produces text within LaTeX. $\mbox{Your Text Here}$.

\mbox{Your Text Here} Produces text within LaTeX $\mbox{Your Text Here}$

\sqrt{x} produces the square root of $x$. $\sqrt{x}$

\sqrt[n]{x} produces the $n$th root of $x$. $\sqrt[n]{x}$

a\equiv b \pmod{c} produces $a$ is equivalent to $b$ mod $c$. $a\equiv b \pmod{c}$ See Modular Arithmetic

\binom{9}{3} produces 9 choose 3.

{n}\choose{r} produces n choose r. ${n}\choose{r}$

x^{y} produces x to the power of y. $x^y$

x_{y} produces x with y in subscript. $x_y$

\rightarrow produces an arrow to the right. $\rightarrow$

\leftarrow produces an arrow to the left. $\leftarrow$

\uparrow produces an arrow pointing upwards. $\uparrow$

\downarrow produces an arrow pointing downwards. $\downarrow$

\updownarrow produces an arrow pointing up and down. $\updownarrow$

\ge produces a greater than or equal to sign. $\ge$

\le produces a less than or equal to sign. $\le$

\not> produces a not greater than sign. $\not>$

\not< produces a not less than sign. $\not<$

\not\ge produces a not greater than or equal to sign. $\not\ge$

\not\le produces a not less than or equal to sign. $\not\le$

\neq produces a not equal to sign. $\neq$

\infty produces an infinity sign. $\infty$

\perp produces a perpendicular sign. $\perp$

\angle produces an angle sign. $\angle$

\triangle produces a triangle. $\triangle$

\ldots produces three dots at the bottom of a line (ellipsis). $\ldots$

\cdots produces three dots in the middle of a line (as in a series sum or product). $\cdots$

\times produces an $\times$ as used in multiplication

\otimes produces a $\otimes$

Also note that you do not have to use braces, "{" and "}", when you only want one character in the operation.

## Examples

• x^y is the same as x^{y}. $x^y$
• x_y is the same as x_{y}. $x_y$
• BUT x^10 is not the same as x^{10}. $x^10$ instead of $x^{10}$.