LaTeX 常用符号速查手册

参考手册

TikZ 和 PGF 绘图包：TikZ/PGF

2D/3D \(\LaTeX\) 绘图包: PGF Plots

希腊字母

大写的希腊字母一般是正体，带有 \var 命令的则是斜体样式，即下表中标注蓝色的字母，需要在导言区加载 amsmath 宏包。

小写的直立希腊字母，需要 upgreek 或类似字体包，然后前缀加上 “up” 即可，如 , 即小写的直立希腊字母。

符号	\(\LaTeX\)	符号	\(\LaTeX\)	符号	\(\LaTeX\)
\(\alpha\)	\alpha	\(\theta\)	\theta	\(\omicron\)	o
\(\beta\)	\beta	\(\vartheta\)	\artheta	\(\pi\)	\pi
\(\gamma\)	\gamma	\(\iota\)	\iota	\(\varpi\)	\varpi
\(\delta\)	\delta	\(\kappa\)	\kappa	\(\rho\)	\rho
\(\epsilon\)	\epsilon	\(\lambda\)	\lambda	\(\varrho\)	\varrho
\(\varepsilon\)	\varepsilon	\(\mu\)	\mu	\(\sigma\)	\sigma
\(\zeta\)	\zeta	\(\nu\)	\nu	\(\varsigma\)	\varsigma
\(\eta\)	\eta	\(\xi\)	\xi	\(\tau\)	\tau
\(\Delta\)	\Delta	\(\Xi\)	\Xi	\(\Upsilon\)	\Upsilon
\(\Theta\)	\Theta	\(\Pi\)	\Pi	\(\Phi\)	\Phi
\(\varGamma\)	\varGamma	\(\varLambda\)	\varLambda	\(\varSigma\)	\varSigma
\(\varDelta\)	\varDelta	\(\varXi\)	\varXi	\(\varUpsilon\)	\varUpsilon
\(\varTheta\)	\varTheta	\(\varPi\)	\varPi	\(\varPhi\)	\varPhi

二元关系符

所有的二元关系符都可以加 \not 前缀得到相反意义的关系符，例如 \not= 就得到不等号（同 \ne）

符号	\(\LaTeX\)	符号	\(\LaTeX\)	符号	\(\LaTeX\)
\(\lt\)	\lt	\(\gt\)	\gt	\(=\)	=
\(\le\)	\le or \lep	\(\ge\)	\ge or \geq	\(\equiv\)	\equiv
\(\ll\)	\ll	\(\gg\)	\gg	\(\doteq\)	\doteq
\(\prec\)	\prec	\(\succ\)	\succ	\(\sim\)	\sim
\(\preceq\)	\preceq	\(\succeq\)	\succeq	\(\simeq\)	\simeq
\(\subset\)	\subset	\(\supset\)	\supset	\(\approx\)	\approx
\(\subseteq\)	\subseteq	\(\supseteq\)	\supseteq	\(\cong\)	\cong
\(\sqsubset\)	\sqsubset	\(\sqsupset\)	\sqsupset	\(\Join\)	\Join
\(\sqsubseteq\)	\sqsubseteq	\(\sqsupseteq\)	\sqsupseteq	\(\bowtie\)	\bowtie
\(\in\)	\in	\(\ni\)	\ni, \owns	\(\propto\)	\propto
\(\vdash\)	\vdash	\(\dashv\)	\dashv	\(\models\)	\models
\(\mid\)	\mid	\(\parallel\)	\parallel	\(\perp\)	\perp
\(\smile\)	\smile	\(\frown\)	\frown	\(\asymp\)	\asymp
\(:\)	:	\(\notin\)	\notin	\(\ne\)	\ne or \neq