# Markdown

## Symbols

|   符号  |        LaTeX语法       |         显示效果         |
| :---: | :------------------: | :------------------: |
|   分数  |     `\frac{a}{b}`    |     $\frac{a}{b}$    |
|   根式  |    `\sqrt[n] {a}`    |     $\sqrt\[n] a$    |
|   对勾  |     `\checkmarks`    |     $\checkmark$     |
|   错叉  |       `\times`       |       $\times$       |
|   并集  |        `\cup`        |        $\cup$        |
|   交集  |        `\cap`        |        $\cap$        |
|   差集  |      `\setminus`     |      $\setminus$     |
|   子集  |       `\subset`      |       $\subset$      |
|   子集  |      `\subseteq`     |      $\subseteq$     |
|  非子集  |     `\subsetneq`     |     $\subsetneq$     |
|   父集  |       `\supset`      |       $\supset$      |
|   属于  |         `\in`        |         $\in$        |
|  不属于  |       `\notin`       |       $\notin$       |
|   空集  |      `\emptyset`     |      $\emptyset$     |
|   空   |     `\varnothing`    |     $\varnothing$    |
|   排列  |    `\binom{n}{k}`    |    $\binom{n}{k}$    |
|   排列  |   `{n} \choose {k}`  |   ${n} \choose {k}$  |
|  右箭头  |         `\to`        |         $\to$        |
|  右箭头  |     `\rightarrow`    |     $\rightarrow$    |
|  左箭头  |     `\leftarrow`     |     $\leftarrow$     |
|  大右箭头 |     `\Rightarrow`    |     $\Rightarrow$    |
|  大左箭头 |     `\Leftarrow`     |     $\Leftarrow$     |
|  映射箭头 |       `\mapsto`      |       $\mapsto$      |
|  逻辑与  |        `\land`       |        $\land$       |
|  逻辑或  |        `\lor`        |        $\lor$        |
|  逻辑否  |        `\lnot`       |        $\lnot$       |
|  全称量词 |       `\forall`      |       $\forall$      |
|  存在量词 |       `\exists`      |       $\exists$      |
|  断定符  |       `\vdash`       |       $\vdash$       |
|  满足符  |       `\vDash`       |       $\vDash$       |
|   异或  |       `\oplus`       |       $\oplus$       |
|  恒等于  |       `\equiv`       |       $\equiv$       |
|  约等于  |       `\approx`      |       $\approx$      |
|  模运算  | `a \equiv b \pmod n` | $a \equiv b \pmod n$ |
|  偏低的点 |       `\ldots`       |       $\ldots$       |
|  中间的点 |       `\cdots`       |       $\cdots$       |
| 中间的单点 |        `\cdot`       |        $\cdot$       |

## MkDocs

Project documentation with Markdown.\
[MkDocs - Official Site](https://www.mkdocs.org)

## Diagram

Ref: [Draw Diagrams With Markdown](https://support.typora.io/Draw-Diagrams-With-Markdown/)

### Mermaid

Workflow charts supported by [mermaid](https://mermaid-js.github.io/mermaid/#/stateDiagram)

```mermaid
stateDiagram-v2
    [*] --> Still
    Still --> [*]

    Still --> Moving
    Moving --> Still
    Moving --> Crash
    Crash --> [*]
```

### PlantUML

Examples in [real-world-plantuml](https://real-world-plantuml.com/)

```plantuml
@startuml
start
:Init Phase;
:Transfer Phase;
note right
  long running activity,
  process requires signal to proceed
end note
:Termination Phase;
stop
@enduml
```

## Reference

1. [简书 | markdown中公式编辑教程](https://www.jianshu.com/p/25f0139637b7)
2. [csdn | Mathjax公式教程](https://blog.csdn.net/dabokele/article/details/79577072)
3. [csdn | 基本数学公式语法](https://blog.csdn.net/ethmery/article/details/50670297)
4. [csdn | 常用数学符号的LaTeX表示方法](https://blog.csdn.net/lilongsy/article/details/79378620)
5. [mathjax | Beautiful math in all browsers](https://www.mathjax.org/)


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