LaTeX常用公式

符号与字母 Symbol and Alphabet

希腊字母 Greek alphabet

在输入 Latex 代码时，要用 $ $ 包含

显示	LaTeX	显示	LaTeX	显示	LaTeX
常用		常用		常用
\(\alpha\)		\(\beta\)		\(\gamma\)
\(\delta\)		\(\xi\)		\(\zeta\)
\(\eta\)		\(\theta\)		\(\lambda\)
\(\mu\)		\(\varepsilon\)		\(\pi\)
\(\rho\)		\(\sigma\)		\(\phi\)
\(\varphi\)		\(\Sigma\)		\(\Gamma\)
\(\Phi\)		\(\Delta\)		$$
\(\Upsilon\)		\(\Phi\)		\(\Lambda\)
\(\epsilon\)		\(\vartheta\)		\(\iota\)
\(\omega\)		\(\nu\)		\(o\)	o
\(\psi\)		\(\chi\)		\(\varsigma\)
\(\tau\)		\(\upsilon\)

注意: MathJax支持的大写希腊字母有限，如需其他（如大写Alpha），可使用罗马体转换，如\mathrm{A}表示大写Alpha：\(\mathrm{A}\)。

希伯来字母 Hebrew alphabet

在输入 Latex 代码时，要用 $ $ 包含

显示	LaTeX	显示	LaTeX
\(\aleph\)		\(\beth\)
\(\gimel\)		\(\daleth\)

二元运算符 Binary operations

在输入 Latex 代码时，要用 $ $ 包含

显示	LaTeX	显示	LaTeX	显示	LaTeX
\(+\)	+	\(\pm\)		\(\cdot\)
\(-\)	-	\(\mp\)		\(\bullet\)
\(\times\)		\(\setminus\)		\(\cup\)
\(\div\)	(在physics扩展 开启状态下不是除号)	\(\ast\)		\(\cap\)
\(\triangleleft\)		\(\unlhd\)		\(\sqcup\)
\(\triangleright\)		\(\unrhd\)		\(\sqcap\)
\(\lhd\)		\(\bigtriangleup\)		\(\vee\)
\(\rhd\)		\(\bigtriangledown\)		\(\wedge\)

二元关系符 Binary relations

包含等号、大于、小于、关系从属。

在输入 Latex 代码时，要用 $ $ 包含

显示	LaTeX	显示	LaTeX	显示	LaTeX
\(=\)	=	\(\ne\)		\(\neq\)
\(\equiv\)		\(\not\equiv\)		\(\doteq\)
\[ | | $\overset{\underset{\mathrm{def}}{}}{=}$ | | \]
\(\sim\)		\(\nsim\)		\(\cong\)
\(\thicksim\)		\(\backsim\)		\(\ncong\)
\(\simeq\)		\(\backsimeq\)		\(\eqsim\)
\(\approx\)		\(\thickapprox\)		\(\approxeq\)
\(\asymp\)		\(\propto\)		\(\varpropto\)
\(<\)	<	\(\nless\)		\(\ll\)
\(\lll\)		\(\not\lll\)		\(\not\ll\)
\(>\)	>	\(\ngtr\)		\(\gg\)
\(\ggg\)		\(\not\ggg\)		\(\not\gg\)
\(\lessdot\)		\(\gtrdot\)		\(\le\)
\(\ge\)		\(\geq\)		\(\leq\)
\(\lneq\)		\(\leqq\)		\(\nleq\)
\(\nleqq\)		\(\lneqq\)		\(\lvertneqq\)
\(\gneq\)		\(\geqq\)		\(\ngeq\)
\(\ngeqq\)		\(\gneqq\)		\(\gvertneqq\)
\(\lessgtr\)		\(\lesseqgtr\)		\(\lesseqqgtr\)
\(\gtrless\)		\(\gtreqless\)		\(\gtreqqless\)
\(\leqslant\)		\(\nleqslant\)		\(\eqslantless\)
\(\geqslant\)		\(\ngeqslant\)		\(\eqslantgtr\)
\(\lesssim\)		\(\lnsim\)		\(\lessapprox\)
\(\gtrsim\)		\(\gnsim\)		\(\gtrapprox\)
\(\lnapprox\)		\(\gnapprox\)		\(\prec\)

几何符号 Geometric symbols

在输入 Latex 代码时，要用 $ $ 包含

显示	Latex	显示	Latex	显示	Latex	显示	Latex
\(\parallel\)		\(\angle\)		\(\bigstar\)		\(\blacktriangle\)
\(\nparallel\)		\(\perp\)		\(\bigcirc\)		\(\blacktriangledown\)
\(\shortparallel\)		\(\sphericalangle\)		\(\triangle\)		\(\blacktriangleleft\)
\(\nshortparallel\)		\(\measuredangle\)		\(\bigtriangleup\)		\(\blacktriangleright\)
\(\Box\)		\(61^\circ\)	25^	\(\bigtriangledown\)
\(\blacksquare\)		\(\lozenge\)		\(\vartriangle\)
\(\diamond\)		\(\blacklozenge\)		\(\triangledown\)

逻辑符号 Logic symbols

在输入 Latex 代码时，要用 $ $ 包含

显示	Latex	显示	Latex	显示	Latex
\(\because\)		\(\forall\)		\(\And\)
\(\therefore\)		\(\exists\)		\(\nexists\)
\(\lor\)		\(\vee\)		\(\bigvee\)
\(\land\)		\(\wedge\)		\(\bigwedge\)
\(\curlyvee\)		\(\curlywedge\)		\(\overline{abc}\)
\(\lnot\)		\(\neg\)		\(\bar{abc}\)	{abc}
\(\not\operatorname{R}\)		\(\bot\)		\(\top\)
\(\vdash\)		\(\dashv\)		\(\vDash\)
\(\Vvdash\)		\(\Vdash\)		\(\models\)
\(\nvdash\)		\(\nVdash\)		\(\nvDash\)
\(\urcorner\)		\(\ulcorner\)		\(\nVDash\)
\(\lrcorner\)		\(\llcorner\)