$\Rrightarrow \Lleftarrow$ ⇛⇚ $\Rightarrow \nRightarrow \Longrightarrow \implies$ ⇒⇏⟹⟹ $\Leftarrow \nLeftarrow \Longleftarrow$ ⇐⇍⟸ $\Leftrightarrow \nLeftrightarrow \Longleftrightarrow \iff$ ⇔⇎⟺⟺ $\Uparrow \Downarrow \Updownarrow$ ⇑⇓⇕ $\left...
⇏\nRightarrow⇏ \nRightarrow ↼\leftharpoonup↼ \leftharpoonup ⟹\Longrightarrow⟹ \Longrightarrow ↽\leftharpoondown↽ \leftharpoondown ⟹\implies⟹ \implies ↿\upharpoonleft↿ \upharpoonleft ⇐\Leftarrow⇐ \Leftarrow ↾\upharpoonright↾ \upharpoonright ⇍\nLeftarr...
充分条件/可推出 ⟹⟹ \implies 必要条件 ⟸⟸ \impliedby 充分必要条件/充要条件/等价于/当且仅当(if and only if) ⟺⟺ \iff 国内常见版本(不推荐,箭头两边无空格): ⇒,⇐,⇔⇒,⇐,⇔ \Rightarrow, \Leftarrow, \Leftrightarrow 统计与概率# 最小二乘法/线性回归方程 参数的估...
KaTeX:\nexists \nexists KaTeX:\mid \mid KaTeX:\to \to KaTeX:\implies \implies KaTeX:\in \in KaTeX:\land \land KaTeX:\gets \gets KaTeX:\impliedby \impliedby KaTeX:\isin \isin KaTeX:\lor \lor KaTeX:\leftrightarrow \leftrightarrow KaTeX:\iff \iff KaTeX:\notin \notin KaTeX:\ni \...
\implies 41 ↿ \upharpoonleft 7 ⇐ \Leftarrow 42 ↾ \upharpoonright 8 ⇍ \nLeftarrow 43 ⇃ \downharpoonleft 9 ⟸ \Longleftarrow 44 ⇂ \downharpoonright 10 ⇔ \Leftrightarrow 45 ⇌ \rightleftharpoons 11 ⇎ \nLeftrightarrow...
\overrightarrow{xy}\hat x \widehat{xy}\tilde{x} \widetilde{xy}\overbrace{xy}\underbrace{xy}...
LATEXLATEX公式⼤全每次都要上⽹搜太⿇烦了，故：数学公式的插⼊ 将数学公式写在$ $之间，代表的是插⼊⾏内数学公式（通常称为⾏内模式）。将数学公式写在$$ $$ 之间，会使公式独⽴成⼀⾏并强制居中（通常称为独⽴模式）。声调 / 变⾳符号 $\dot{a} \ddot{a} \acute{a} \grave...
6 $\implies$ \implies 41 $\upharpoonleft$ \upharpoonleft 7 $\Leftarrow$ \Leftarrow 42 $\upharpoonright$ \upharpoonright 8 $\nLeftarrow$ \nLeftarrow 43 $\downharpoonleft$ \downharpoonleft 9 $\Longleftarrow$ \Longleftarrow 44 $\downharpoonright$ \downharpoonright 10 $\Leftrightarrow...
$\Rightarrow \nRightarrow \Longrightarrow \implies$ \quad\Rightarrow\quad\nRightarrow\quad\Longrightarrow\quad\implies⇒⇏⟹⟹ $\Leftarrow \nLeftarrow \Longleftarrow$ \quad\Leftarrow\quad\nLeftarrow\quad\Longleftarrow⇐⇍⟸ $\Leftrightarrow \nLeftrightarrow \Longleftrightarr...
1 ⇛ \Rrightarrow 36 ⟼ \longmapsto 2 ⇚ \Lleftarrow 37 ⇀ \rightharpoonup 3 ⇒ \Rightarrow 38 ⇁ \rightharpoondown 4 ⇏ \nRightarrow 39 ↼ \leftharpoonup 5 ⟹ \Longrightarrow 40 ↽ \leftharpoondown 6 ⟹ \implies 41 ↿ \upharpoonleft 7 ⇐ \Leftarrow 42 ...