TeXコマンド	MathJaxの出力
\rightarrow	\( \rightarrow \)
\Rightarrow	\( \Rightarrow \)
\leftarrow	\( \leftarrow \)
\Leftarrow	\( \Leftarrow \)
\leftrightarrow	\( \leftrightarrow \)
\Leftrightarrow	\( \Leftrightarrow \)
\mapsto	\( \mapsto \)
\longmapsto	\( \longmapsto \)
\hookleftarrow	\( \hookleftarrow \)
\hookrightarrow	\( \hookrightarrow \)
\leftharpoonup	\( \leftharpoonup \)
\rightharpoonup	\( \rightharpoonup \)
\leftharpoondown	\( \leftharpoondown \)
\rightharpoondown	\( \rightharpoondown \)
\rightleftharpoons	\( \rightleftharpoons \)
\nearrow	\( \nearrow \)
\searrow	\( \searrow \)
\swarrow	\( \swarrow \)
\nwarrow	\( \nwarrow \)
\dashrightarrow	\( \dashrightarrow \)
\dashleftarrow	\( \dashleftarrow \)
\longleftarrow	\( \longleftarrow \)
\longrightarrow	\( \longrightarrow \)
\Longrightarrow	\( \Longrightarrow \)
\longleftrightarrow	\( \longleftrightarrow \)
\Longleftrightarrow	\( \Longleftrightarrow \)
\leftrightsquigarrow	\( \leftrightsquigarrow \)
\rightsquigarrow	\( \rightsquigarrow \)
\Updownarrow	\( \Updownarrow \)
\downharpoonleft	\( \downharpoonleft \)
\downharpoonright	\( \downharpoonright \)
\upharpoonleft	\( \upharpoonleft \)
\upharpoonright	\( \upharpoonright \)
\rightleftarrows	\( \rightleftarrows \)
\leftrightarrows	\( \leftrightarrows \)
\leftleftarrows	\( \leftleftarrows \)
\rightrightarrows	\( \rightrightarrows \)
\Lleftarrow	\( \Lleftarrow \)
\Rrightarrow	\( \Rrightarrow \)
\longmapsto	\( \longmapsto \)
\hookleftarrow	\( \hookleftarrow \)
\hookrightarrow	\( \hookrightarrow \)
\nrightarrow	\( \nrightarrow \)
\nleftarrow	\( \nleftarrow \)
\nleftrightarrow	\( \nleftrightarrow \)
\rightsquigarrow	\( \rightsquigarrow \)
\leftrightharpoons	\( \leftrightharpoons \)
\rightleftharpoons	\( \rightleftharpoons \)
\leadsto	\( \leadsto \)
\Rsh	\( \Rsh \)
\Lsh	\( \Lsh \)
\upuparrows	\( \upuparrows \)
\downdownarrows	\( \downdownarrows \)
\upharpoonleft	\( \upharpoonleft \)
\upharpoonright	\( \upharpoonright \)
\downharpoonleft	\( \downharpoonleft \)
\downharpoonright	\( \downharpoonright \)
\dashrightarrow	\( \dashrightarrow \)
\dashleftarrow	\( \dashleftarrow \)

LaTexで不等式・不等号を書く方法と便利なパッケージ