Markdown中编辑Latex数学公式

川长思鸟来 2023-07-12 05:22 11阅读 0赞

## 1、数学公式 ##

<table> 
 <thead> 
 <tr> 
 <th>代码</th> 
 <th>公式</th> 
 <th>含义</th> 
 </tr> 
 </thead> 
 <tbody> 
 <tr> 
 <td><code>$f(x)=ax^2+bx+c$</code></td> 
 <td> f ( x ) = a x 2 + b x + c f(x)=ax^2+bx+c f(x)=ax2+bx+c</td> 
 <td>同行插入公式</td> 
 </tr> 
 <tr> 
 <td><code>$$f(x)=ax^2+bx+c$$</code></td> 
 <td> f ( x ) = a x 2 + b x + c f(x)=ax^2+bx+c f(x)=ax2+bx+c</td> 
 <td>换行插入公式</td> 
 </tr> 
 <tr> 
 <td><code>$x^2$</code></td> 
 <td> x 2 x^2 x2</td> 
 <td>上标</td> 
 </tr> 
 <tr> 
 <td><code>$x_2$</code></td> 
 <td> x 2 x_2 x2</td> 
 <td>下标</td> 
 </tr> 
 <tr> 
 <td><code>$e^{ln(x)}$</code></td> 
 <td> e l n ( x ) e^{ln(x)} eln(x)</td> 
 <td>复杂上标</td> 
 </tr> 
 <tr> 
 <td><code>$e_{ln(x)}$</code></td> 
 <td> e l n ( x ) e_{ln(x)} eln(x)</td> 
 <td>复杂下标</td> 
 </tr> 
 <tr> 
 <td><code>$x_j^{(i)}$</code></td> 
 <td> x j ( i ) x_j^{(i)} xj(i)</td> 
 <td>同时上下标</td> 
 </tr> 
 <tr> 
 <td><code>$\frac{ax+b}{cx+d}$</code></td> 
 <td> a x + b c x + d \frac{ax+b}{cx+d} cx+dax+b</td> 
 <td>分数</td> 
 </tr> 
 <tr> 
 <td><code>$\sqrt{5}$;$\sqrt[n]{3}$</code></td> 
 <td> 5 ; 3 n \sqrt{5};\sqrt[n]{3} 5 ;n3 </td> 
 <td>开根号</td> 
 </tr> 
 <tr> 
 <td><code>$\vec{a} \cdot \vec{b}=0$</code></td> 
 <td> a ⃗ ⋅ b ⃗ = 0 \vec{a} \cdot \vec{b}=0 a ⋅b =0</td> 
 <td>矢量</td> 
 </tr> 
 <tr> 
 <td><code>$\int_3^2 x^2 {\rm d}x$</code></td> 
 <td> ∫ 3 2 x 2 d x \int_3^2 x^2 {\rm d}x ∫32x2dx</td> 
 <td>积分</td> 
 </tr> 
 <tr> 
 <td><code>$\int_{-\infty}^{+\infty} f(x) \mathrm{d}x$</code></td> 
 <td> ∫ − ∞ + ∞ f ( x ) d x \int_{-\infty}^{+\infty} f(x) \mathrm{d}x ∫−∞+∞f(x)dx</td> 
 <td>无穷限积分</td> 
 </tr> 
 <tr> 
 <td><code>$\int\limits_{-\infty}^{+\infty}$</code></td> 
 <td> ∫ − ∞ + ∞ \int\limits_{-\infty}^{+\infty} −∞∫+∞</td> 
 <td>limits模式积分</td> 
 </tr> 
 <tr> 
 <td><code>$\displaystyle \int_{-\infty}^{+\infty}$</code></td> 
 <td> ∫ − ∞ + ∞ \displaystyle \int_{-\infty}^{+\infty} ∫−∞+∞</td> 
 <td>display模式积分</td> 
 </tr> 
 <tr> 
 <td><code>$\iint$</code></td> 
 <td> ∬ \iint ∬</td> 
 <td>二重积分</td> 
 </tr> 
 <tr> 
 <td><code>$\iiint$</code></td> 
 <td> ∭ \iiint ∭</td> 
 <td>三重积分</td> 
 </tr> 
 <tr> 
 <td><code>$\oint$</code></td> 
 <td> ∮ \oint ∮</td> 
 <td>曲线积分</td> 
 </tr> 
 <tr> 
 <td><code>$\oiint$</code></td> 
 <td> ∯ \oiint ∬ </td> 
 <td>曲面积分</td> 
 </tr> 
 <tr> 
 <td><code>$\lim_{n\rightarrow+\infty} n$</code></td> 
 <td> lim ⁡ n → + ∞ n \lim_{n\rightarrow+\infty} n limn→+∞n</td> 
 <td>极限</td> 
 </tr> 
 <tr> 
 <td><code>$\sum_{i=1}^{10}x^{(i)}$</code></td> 
 <td> ∑ i = 1 10 x ( i ) \sum_{i=1}^{10}x^{(i)} ∑i=110x(i)</td> 
 <td>累加</td> 
 </tr> 
 <tr> 
 <td><code>$\prod_{i=1}^{10}x^{(i)}$</code></td> 
 <td> ∏ i = 1 10 x ( i ) \prod_{i=1}^{10}x^{(i)} ∏i=110x(i)</td> 
 <td>累乘</td> 
 </tr> 
 <tr> 
 <td><code>$y\prime x$</code></td> 
 <td> y ′ x y\prime x y′x</td> 
 <td>导数</td> 
 </tr> 
 <tr> 
 <td><code>$\sin$</code></td> 
 <td> sin ⁡ \sin sin</td> 
 <td>三角函数</td> 
 </tr> 
 <tr> 
 <td><code>$\angle$</code></td> 
 <td> ∠ \angle ∠</td> 
 <td>角</td> 
 </tr> 
 <tr> 
 <td><code>$30^\circ$</code></td> 
 <td> 3 0 ∘ 30^\circ 30∘</td> 
 <td>角度</td> 
 </tr> 
 <tr> 
 <td><code>$\exp$</code></td> 
 <td> exp ⁡ \exp exp</td> 
 <td>指数函数</td> 
 </tr> 
 <tr> 
 <td><code>$\ln15$;$\log_2{10}$;$\lg7$</code></td> 
 <td> ln ⁡ 15 \ln15 ln15; log ⁡ 2 10 \log_2{10} log210; lg ⁡ 7 \lg7 lg7</td> 
 <td>对数函数</td> 
 </tr> 
 <tr> 
 <td><code>$\frac{\partial^2 u}{\partial z^2}$</code></td> 
 <td> ∂ 2 u ∂ z 2 \frac{\partial^2 u}{\partial z^2} ∂z2∂2u</td> 
 <td>求偏导</td> 
 </tr> 
 <tr> 
 <td><code>$\overline{ABC}$; $\bar{A}$</code></td> 
 <td> A B C ‾ \overline{ABC} ABC; A ˉ \bar{A} Aˉ</td> 
 <td>字母上方横线</td> 
 </tr> 
 <tr> 
 <td><code>$\underline{ABC}$</code></td> 
 <td> A B C ‾ \underline{ABC} ABC</td> 
 <td>字母下方横线</td> 
 </tr> 
 <tr> 
 <td><code>$\tilde{A}$; $\widetilde{ABC}$</code></td> 
 <td> A ~ \tilde{A} A~; A B C ~ \widetilde{ABC} ABC </td> 
 <td>字母上方波浪线</td> 
 </tr> 
 <tr> 
 <td><code>$\hat{a}$, $\widehat{ABC}$</code></td> 
 <td> a ^ \hat{a} a^, A B C ^ \widehat{ABC} ABC </td> 
 <td>字母上方尖号</td> 
 </tr> 
 <tr> 
 <td><code>$\vec{a}$; $\overleftarrow{ab}$; $\overrightarrow{ab}$</code></td> 
 <td> a ⃗ \vec{a} a ; a b ← \overleftarrow{ab} ab ; a b → \overrightarrow{ab} ab </td> 
 <td>字母上方箭头</td> 
 </tr> 
 <tr> 
 <td><code>$\overbrace{1+2+3}$</code></td> 
 <td> 1 + 2 + 3 ⏞ \overbrace{1+2+3} 1+2+3 </td> 
 <td>字母上方花括号</td> 
 </tr> 
 <tr> 
 <td><code>$\underbrace{1+2+3}$</code></td> 
 <td> 1 + 2 + 3 ⏟ \underbrace{1+2+3} 1+2+3</td> 
 <td>字母下方花括号</td> 
 </tr> 
 <tr> 
 <td><code>$\dot{a}$, $\ddot{a}$</code></td> 
 <td> a ˙ \dot{a} a˙, a ¨ \ddot{a} a¨</td> 
 <td>字母上方点号</td> 
 </tr> 
 <tr> 
 <td><code>$\dots$, $\cdots$</code></td> 
 <td> … \dots …; ⋯ \cdots ⋯</td> 
 <td>省略号</td> 
 </tr> 
 <tr> 
 <td><code>$$y=x^2\tag{1.5a}$$</code></td> 
 <td> y = x 2 (1.5a) y=x^2\tag{1.5a} y=x2(1.5a)</td> 
 <td>公式编号</td> 
 </tr> 
 <tr> 
 <td><code>$$\begin{aligned}y&amp;=ax+b \\ &amp;=cx+d \end{aligned}$$</code></td> 
 <td> y = a x + b = c x + d \begin{aligned}y&amp;=ax+b \\ &amp;=cx+d \end{aligned} y=ax+b=cx+d</td> 
 <td>多行公式</td> 
 </tr> 
 <tr> 
 <td><code>$$\begin{aligned}m&amp;=ax+b \\ n&amp;=cx+d \end{aligned}$$</code></td> 
 <td> m = a x + b n = c x + d \begin{aligned}m&amp;=ax+b \\ n&amp;=cx+d \end{aligned} mn=ax+b=cx+d</td> 
 <td>方程组</td> 
 </tr> 
 <tr> 
 <td><code>$$f(x)=\begin{cases}x^2 \qquad &amp; a \gt 0</code> <code>\\ e^x \qquad &amp; a \lt 0\end{cases}$$</code></td> 
 <td> f ( x ) = { x 2 , a &gt; 0 e x , a &lt; 0 f(x)=\begin{cases}x^2, &amp; a \gt 0 \\ e^x, &amp; a \lt 0\end{cases} f(x)={ x2,ex,a&gt;0a&lt;0</td> 
 <td>分段函数</td> 
 </tr> 
 </tbody> 
</table>

## 2、矩阵 ##

$$ 
    \begin{bmatrix}
    1 & 2 & 3 \\
    4 & 5 & 6 \\
    7 & 8 & 9
    \end{bmatrix} \tag{1} 
    $$

\[ 1 2 3 4 5 6 7 8 9 \] (1) \\begin\{bmatrix\} 1 & 2 & 3 \\\\ 4 & 5 & 6 \\\\ 7 & 8 & 9 \\end\{bmatrix\} \\tag\{1\} ⎣⎡147258369⎦⎤(1)

$$
    \begin{Bmatrix}
    1 & 2 & 3 \\
    4 & 5 & 6 \\
    7 & 8 & 9
    \end{Bmatrix} \tag{2}
    $$

\{ 1 2 3 4 5 6 7 8 9 \} (2) \\begin\{Bmatrix\} 1 & 2 & 3 \\\\ 4 & 5 & 6 \\\\ 7 & 8 & 9 \\end\{Bmatrix\} \\tag\{2\} ⎩⎨⎧147258369⎭⎬⎫(2)

$$
    \left[
    \begin{matrix}
    1      & 2      & \cdots & 4      \\
    7      & 6      & \cdots & 5      \\
    \vdots & \vdots & \ddots & \vdots \\
    8      & 9      & \cdots & 0      \\
    \end{matrix}
    \right] \tag{3}
    $$

\[ 1 2 ⋯ 4 7 6 ⋯ 5 ⋮ ⋮ ⋱ ⋮ 8 9 ⋯ 0 \] (3) \\left\[ \\begin\{matrix\} 1 & 2 & \\cdots & 4 \\\\ 7 & 6 & \\cdots & 5 \\\\ \\vdots & \\vdots & \\ddots & \\vdots \\\\ 8 & 9 & \\cdots & 0 \\\\ \\end\{matrix\} \\right\] \\tag\{3\} ⎣⎢⎢⎢⎡17⋮826⋮9⋯⋯⋱⋯45⋮0⎦⎥⎥⎥⎤(3)

$$ 
    \left[
    \begin{array}{cc|c}
    1 & 2 & 3 \\
    4 & 5 & 6
    \end{array}
    \right] \tag{4}
    $$

\[ 1 2 3 4 5 6 \] (4) \\left\[ \\begin\{array\}\{cc|c\} 1 & 2 & 3 \\\\ 4 & 5 & 6 \\end\{array\} \\right\] \\tag\{4\} \[142536\](4)

## 3、希腊字母 ##

<table> 
 <thead> 
 <tr> 
 <th>代码</th> 
 <th>符号</th> 
 <th>代码</th> 
 <th>符号</th> 
 <th>代码</th> 
 <th>符号</th> 
 </tr> 
 </thead> 
 <tbody> 
 <tr> 
 <td><code>$\alpha$</code></td> 
 <td> α \alpha α</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\beta$</code></td> 
 <td> β \beta β</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\gamma$</code></td> 
 <td> γ \gamma γ</td> 
 <td><code>$\Gamma$</code></td> 
 <td> Γ \Gamma Γ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\theta$</code></td> 
 <td> θ \theta θ</td> 
 <td><code>$\Theta$</code></td> 
 <td> Θ \Theta Θ</td> 
 <td><code>$\vartheta$</code></td> 
 <td> ϑ \vartheta ϑ</td> 
 </tr> 
 <tr> 
 <td><code>$\mu$</code></td> 
 <td> μ \mu μ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\delta$</code></td> 
 <td> δ \delta δ</td> 
 <td><code>$\Delta$</code></td> 
 <td> Δ \Delta Δ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\epsilon$</code></td> 
 <td> ϵ \epsilon ϵ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td><code>$\varepsilon$</code></td> 
 <td> ε \varepsilon ε</td> 
 </tr> 
 <tr> 
 <td><code>$\sigma$</code></td> 
 <td> σ \sigma σ</td> 
 <td><code>$\Sigma$</code></td> 
 <td> Σ \Sigma Σ</td> 
 <td><code>$\varsigma$</code></td> 
 <td> ς \varsigma ς</td> 
 </tr> 
 <tr> 
 <td><code>$\pi$</code></td> 
 <td> π \pi π</td> 
 <td><code>$\Pi$</code></td> 
 <td> Π \Pi Π</td> 
 <td><code>$\varpi$</code></td> 
 <td> ϖ \varpi ϖ</td> 
 </tr> 
 <tr> 
 <td><code>$\omega$</code></td> 
 <td> ω \omega ω</td> 
 <td><code>$\Omega$</code></td> 
 <td> Ω \Omega Ω</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\xi$</code></td> 
 <td> ξ \xi ξ</td> 
 <td><code>$\Xi$</code></td> 
 <td> Ξ \Xi Ξ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\zeta$</code></td> 
 <td> ζ \zeta ζ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\chi$</code></td> 
 <td> χ \chi χ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\rho$</code></td> 
 <td> ρ \rho ρ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td><code>$\varrho$</code></td> 
 <td> ϱ \varrho ϱ</td> 
 </tr> 
 <tr> 
 <td><code>$\phi$</code></td> 
 <td> ϕ \phi ϕ</td> 
 <td><code>$\Phi$</code></td> 
 <td> Φ \Phi Φ</td> 
 <td><code>$\varphi$</code></td> 
 <td> φ \varphi φ</td> 
 </tr> 
 <tr> 
 <td><code>$\eta$</code></td> 
 <td> η \eta η</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\lambda$</code></td> 
 <td> λ \lambda λ</td> 
 <td><code>$\Lambda$</code></td> 
 <td> Λ \Lambda Λ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\kappa$</code></td> 
 <td> κ \kappa κ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\nu$</code></td> 
 <td> ν \nu ν</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\upsilon$</code></td> 
 <td> υ \upsilon υ</td> 
 <td><code>$\Upsilon$</code></td> 
 <td> Υ \Upsilon Υ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\psi$</code></td> 
 <td> ψ \psi ψ</td> 
 <td><code>$\Psi$</code></td> 
 <td> Ψ \Psi Ψ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\tau$</code></td> 
 <td> τ \tau τ</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$\iota$</code></td> 
 <td> ι \iota ι</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 <tr> 
 <td><code>$o$</code></td> 
 <td> o o o</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 <td>&nbsp;</td> 
 </tr> 
 </tbody> 
</table>

## 4、特殊字符 ##

<table> 
 <thead> 
 <tr> 
 <th>代码</th> 
 <th>符号</th> 
 <th>代码</th> 
 <th>符号</th> 
 <th>代码</th> 
 <th>符号</th> 
 </tr> 
 </thead> 
 <tbody> 
 <tr> 
 <td><code>$\times$</code></td> 
 <td> × \times ×</td> 
 <td><code>$\div$</code></td> 
 <td> ÷ \div ÷</td> 
 <td><code>$\pm$</code></td> 
 <td> ± \pm ±</td> 
 </tr> 
 <tr> 
 <td><code>$\mp$</code></td> 
 <td> ∓ \mp ∓</td> 
 <td><code>$\otimes$</code></td> 
 <td> ⊗ \otimes ⊗</td> 
 <td><code>$\ominus$</code></td> 
 <td> ⊖ \ominus ⊖</td> 
 </tr> 
 <tr> 
 <td><code>$\oplus$</code></td> 
 <td> ⊕ \oplus ⊕</td> 
 <td><code>$\odot$</code></td> 
 <td> ⊙ \odot ⊙</td> 
 <td><code>$\oslash$</code></td> 
 <td> ⊘ \oslash ⊘</td> 
 </tr> 
 <tr> 
 <td><code>$\triangleq$</code></td> 
 <td> ≜ \triangleq ≜</td> 
 <td><code>$\ne$</code></td> 
 <td> ≠ \ne =</td> 
 <td><code>$\equiv$</code></td> 
 <td> ≡ \equiv ≡</td> 
 </tr> 
 <tr> 
 <td><code>$\lt$</code></td> 
 <td> &lt; \lt &lt;</td> 
 <td><code>$\gt$</code></td> 
 <td> &gt; \gt &gt;</td> 
 <td><code>$\le$</code></td> 
 <td> ≤ \le ≤</td> 
 </tr> 
 <tr> 
 <td><code>$\ge$</code></td> 
 <td> ≥ \ge ≥</td> 
 <td><code>$\cup$</code></td> 
 <td> ∪ \cup ∪</td> 
 <td><code>$\cap$</code></td> 
 <td> ∩ \cap ∩</td> 
 </tr> 
 <tr> 
 <td><code>$\Cup$</code></td> 
 <td> ⋓ \Cup ⋓</td> 
 <td><code>$\Cap$</code></td> 
 <td> ⋒ \Cap ⋒</td> 
 <td><code>$\bigcup$</code></td> 
 <td> ⋃ \bigcup ⋃</td> 
 </tr> 
 <tr> 
 <td><code>$\bigcap$</code></td> 
 <td> ⋂ \bigcap ⋂</td> 
 <td><code>$\ast$</code></td> 
 <td> ∗ \ast ∗</td> 
 <td><code>$\star$</code></td> 
 <td> ⋆ \star ⋆</td> 
 </tr> 
 <tr> 
 <td><code>$\bigotimes$</code></td> 
 <td> ⨂ \bigotimes ⨂</td> 
 <td><code>$\bigoplus$</code></td> 
 <td> ⨁ \bigoplus ⨁</td> 
 <td><code>$\circ$</code></td> 
 <td> ∘ \circ ∘</td> 
 </tr> 
 <tr> 
 <td><code>$\bullet$</code></td> 
 <td> ∙ \bullet ∙</td> 
 <td><code>$\bigcirc$</code></td> 
 <td> ◯ \bigcirc ◯</td> 
 <td><code>$\amalg$</code></td> 
 <td> ⨿ \amalg ⨿</td> 
 </tr> 
 <tr> 
 <td><code>$\to$</code></td> 
 <td> → \to →</td> 
 <td><code>$\infty$</code></td> 
 <td> ∞ \infty ∞</td> 
 <td><code>$\vee$</code></td> 
 <td> ∨ \vee ∨</td> 
 </tr> 
 <tr> 
 <td><code>$\wedge$</code></td> 
 <td> ∧ \wedge ∧</td> 
 <td><code>$\lhd$</code></td> 
 <td> ⊲ \lhd ⊲</td> 
 <td><code>$\rhd$</code></td> 
 <td> ⊳ \rhd ⊳</td> 
 </tr> 
 <tr> 
 <td><code>$\bigvee$</code></td> 
 <td> ⋁ \bigvee ⋁</td> 
 <td><code>$\bigwedge$</code></td> 
 <td> ⋀ \bigwedge ⋀</td> 
 <td><code>$\unlhd$</code></td> 
 <td> ⊴ \unlhd ⊴</td> 
 </tr> 
 <tr> 
 <td><code>$\unrhd$</code></td> 
 <td> ⊵ \unrhd ⊵</td> 
 <td><code>$\sqcap$</code></td> 
 <td> ⊓ \sqcap ⊓</td> 
 <td><code>$\sqcup$</code></td> 
 <td> ⊔ \sqcup ⊔</td> 
 </tr> 
 <tr> 
 <td><code>$\prec$</code></td> 
 <td> ≺ \prec ≺</td> 
 <td><code>$\succ$</code></td> 
 <td> ≻ \succ ≻</td> 
 <td><code>$\subset$</code></td> 
 <td> ⊂ \subset ⊂</td> 
 </tr> 
 <tr> 
 <td><code>$\supset$</code></td> 
 <td> ⊃ \supset ⊃</td> 
 <td><code>$\sim$</code></td> 
 <td> ∼ \sim ∼</td> 
 <td><code>$\approx$</code></td> 
 <td> ≈ \approx ≈</td> 
 </tr> 
 <tr> 
 <td><code>$\subseteq$</code></td> 
 <td> ⊆ \subseteq ⊆</td> 
 <td><code>$\supseteq$</code></td> 
 <td> ⊇ \supseteq ⊇</td> 
 <td><code>$\cong$</code></td> 
 <td> ≅ \cong ≅</td> 
 </tr> 
 <tr> 
 <td><code>$\doteq$</code></td> 
 <td> ≐ \doteq ≐</td> 
 <td><code>$\setminus$</code></td> 
 <td> ∖ \setminus ∖</td> 
 <td><code>$\mid$</code></td> 
 <td> ∣ \mid ∣</td> 
 </tr> 
 <tr> 
 <td><code>$\ll$</code></td> 
 <td> ≪ \ll ≪</td> 
 <td><code>$\gg$</code></td> 
 <td> ≫ \gg ≫</td> 
 <td><code>$\parallel$</code></td> 
 <td> ∥ \parallel ∥</td> 
 </tr> 
 <tr> 
 <td><code>$\Join$</code></td> 
 <td> ⋈ \Join ⋈</td> 
 <td><code>$\in$</code></td> 
 <td> ∈ \in ∈</td> 
 <td><code>$\notin$</code></td> 
 <td> ∉ \notin ∈/</td> 
 </tr> 
 <tr> 
 <td><code>$\propto$</code></td> 
 <td> ∝ \propto ∝</td> 
 <td><code>$\neg$</code></td> 
 <td> ¬ \neg ¬</td> 
 <td><code>$\ldots$</code></td> 
 <td> … \ldots …</td> 
 </tr> 
 <tr> 
 <td><code>$\cdots$</code></td> 
 <td> ⋯ \cdots ⋯</td> 
 <td><code>$\forall$</code></td> 
 <td> ∀ \forall ∀</td> 
 <td><code>$\exists$</code></td> 
 <td> ∃ \exists ∃</td> 
 </tr> 
 <tr> 
 <td><code>$\vdots$</code></td> 
 <td> ⋮ \vdots ⋮</td> 
 <td><code>$\ddots$</code></td> 
 <td> ⋱ \ddots ⋱</td> 
 <td><code>$\aleph$</code></td> 
 <td> ℵ \aleph ℵ</td> 
 </tr> 
 <tr> 
 <td><code>$\nabla$</code></td> 
 <td> ∇ \nabla ∇</td> 
 <td><code>$\imath$</code></td> 
 <td> ı \imath ı</td> 
 <td><code>$\jmath$</code></td> 
 <td> ȷ \jmath ȷ</td> 
 </tr> 
 <tr> 
 <td><code>$\ell$</code></td> 
 <td> ℓ \ell ℓ</td> 
 <td><code>$\partial$</code></td> 
 <td> ∂ \partial ∂</td> 
 <td><code>$\int$</code></td> 
 <td> ∫ \int ∫</td> 
 </tr> 
 <tr> 
 <td><code>$\oint$</code></td> 
 <td> ∮ \oint ∮</td> 
 <td><code>$\uplus$</code></td> 
 <td> ⊎ \uplus ⊎</td> 
 <td><code>$\biguplus$</code></td> 
 <td> ⨄ \biguplus ⨄</td> 
 </tr> 
 <tr> 
 <td><code>$\triangleleft$</code></td> 
 <td> ◃ \triangleleft ◃</td> 
 <td><code>$\triangleright$</code></td> 
 <td> ▹ \triangleright ▹</td> 
 <td><code>$\bigtriangleup$</code></td> 
 <td> △ \bigtriangleup △</td> 
 </tr> 
 <tr> 
 <td><code>$\bigtriangledown$</code></td> 
 <td> ▽ \bigtriangledown ▽</td> 
 <td><code>$\uparrow$</code></td> 
 <td> ↑ \uparrow ↑</td> 
 <td><code>$\downarrow$</code></td> 
 <td> ↓ \downarrow ↓</td> 
 </tr> 
 <tr> 
 <td><code>$\leftarrow$</code></td> 
 <td> ← \leftarrow ←</td> 
 <td><code>$\rightarrow$</code></td> 
 <td> → \rightarrow →</td> 
 <td><code>$\Leftarrow$</code></td> 
 <td> ⇐ \Leftarrow ⇐</td> 
 </tr> 
 <tr> 
 <td><code>$\Rightarrow$</code></td> 
 <td> ⇒ \Rightarrow ⇒</td> 
 <td><code>$\longleftarrow$</code></td> 
 <td> ⟵ \longleftarrow ⟵</td> 
 <td><code>$\longrightarrow$</code></td> 
 <td> ⟶ \longrightarrow ⟶</td> 
 </tr> 
 <tr> 
 <td><code>$\Longleftarrow$</code></td> 
 <td> ⟸ \Longleftarrow ⟸</td> 
 <td><code>$\Longrightarrow$</code></td> 
 <td> ⟹ \Longrightarrow ⟹</td> 
 <td><code>$\leftrightarrow$</code></td> 
 <td> ↔ \leftrightarrow ↔</td> 
 </tr> 
 <tr> 
 <td><code>$\longleftrightarrow$</code></td> 
 <td> ⟷ \longleftrightarrow ⟷</td> 
 <td><code>$\Leftrightarrow$</code></td> 
 <td> ⇔ \Leftrightarrow ⇔</td> 
 <td><code>$\Longleftrightarrow$</code></td> 
 <td> ⟺ \Longleftrightarrow ⟺</td> 
 </tr> 
 <tr> 
 <td><code>$\leftharpoonup$</code></td> 
 <td> ↼ \leftharpoonup ↼</td> 
 <td><code>$\rightharpoonup$</code></td> 
 <td> ⇀ \rightharpoonup ⇀</td> 
 <td><code>$\leftharpoondown$</code></td> 
 <td> ↽ \leftharpoondown ↽</td> 
 </tr> 
 <tr> 
 <td><code>$\rightharpoondown$</code></td> 
 <td> ⇁ \rightharpoondown ⇁</td> 
 <td><code>$\rightleftharpoons$</code></td> 
 <td> ⇌ \rightleftharpoons ⇌</td> 
 <td><code>$\nwarrow$</code></td> 
 <td> ↖ \nwarrow ↖</td> 
 </tr> 
 <tr> 
 <td><code>$\nearrow$</code></td> 
 <td> ↗ \nearrow ↗</td> 
 <td><code>$\swarrow$</code></td> 
 <td> ↙ \swarrow ↙</td> 
 <td><code>$\searrow$</code></td> 
 <td> ↘ \searrow ↘</td> 
 </tr> 
 <tr> 
 <td><code>$\triangle$</code></td> 
 <td> △ \triangle △</td> 
 <td><code>$\diamond$</code></td> 
 <td> ⋄ \diamond ⋄</td> 
 <td><code>$\diamondsuit$</code></td> 
 <td> ♢ \diamondsuit ♢</td> 
 </tr> 
 <tr> 
 <td><code>$\heartsuit$</code></td> 
 <td> ♡ \heartsuit ♡</td> 
 <td><code>$\clubsuit$</code></td> 
 <td> ♣ \clubsuit ♣</td> 
 <td><code>$\spadesuit$</code></td> 
 <td> ♠ \spadesuit ♠</td> 
 </tr> 
 <tr> 
 <td><code>$\bot$</code></td> 
 <td> ⊥ \bot ⊥</td> 
 <td><code>$\because$</code></td> 
 <td> ∵ \because ∵</td> 
 <td><code>$\therefore$</code></td> 
 <td> ∴ \therefore ∴</td> 
 </tr> 
 <tr> 
 <td><code>$\forall$</code></td> 
 <td> ∀ \forall ∀</td> 
 <td><code>$\exists$</code></td> 
 <td> ∃ \exists ∃</td> 
 <td><code>$\not=$</code></td> 
 <td> ≠ \not= =</td> 
 </tr> 
 <tr> 
 <td><code>$\not&gt;$</code></td> 
 <td> &gt;̸ \not&gt; &gt;</td> 
 <td><code>$\not\subset$</code></td> 
 <td> ⊄ \not\subset ⊂</td> 
 <td></td> 
 <td></td> 
 </tr> 
 </tbody> 
</table>