latex中箭头的使用

符號 TeX 指令 符號 TeX 指令 符號 TeX 指令 符號 TeX 指令

<!-- MATH: $\leftarrow$ -->	\leftarrow	<!-- MATH: $\Longleftrightarrow$ -->	\Longleftrightarrow	<!-- MATH: $\Leftarrow$ -->	\Leftarrow	<!-- MATH: $\longmapsto$ -->	\longmapsto
<!-- MATH: $\rightarrow$ -->	\rightarrow	<!-- MATH: $\hookrightarrow$ -->	\hookrightarrow	<!-- MATH: $\Rightarrow$ -->	\Rightarrow	<!-- MATH: $\rightharpoonup$ -->	\rightharpoonup
<!-- MATH: $\leftrightarrow$ -->	\leftrightarrow	<!-- MATH: $\rightharpoondown$ -->	\rightharpoondown	<!-- MATH: $\Leftrightarrow$ -->	\Leftrightarrow
	\mapsto		\uparrow	<!-- MATH: $\hookleftarrow$ -->	\hookleftarrow		\Uparrow
<!-- MATH: $\leftharpoonup$ -->	\leftharpoonup	<!-- MATH: $\downarrow$ -->	\downarrow	<!-- MATH: $\leftharpoondown$ -->	\leftharpoondown	<!-- MATH: $\Downarrow$ -->	\Downarrow
<!-- MATH: $\rightleftharpoons$ -->	\rightleftharpoons	<!-- MATH: $\updownarrow$ -->	\updownarrow	<!-- MATH: $\longleftarrow$ -->	\longleftarrow	<!-- MATH: $\Updownarrow$ -->	\Updownarrow
<!-- MATH: $\Longleftarrow$ -->	\Longleftarrow		\nearrow	<!-- MATH: $\longrightarrow$ -->	\longrightarrow		\searrow
<!-- MATH: $\Longrightarrow$ -->	\Longrightarrow		\swarrow	<!-- MATH: $\longleftrightarrow$ -->	\longleftrightarrow		\nwarrow