nLab Zinovy Diskin

\rightarrow ( = \to), \longrightarrow, \Rightarrow ( = \implies), \hookrightarrow ( = \embedsin), \mapsto ( = \map), \leftarrow, \longleftarrow, \Leftarrow ( = \impliedby), \hookleftarrow, \leftrightarrow, \Leftrightarrow, \Longleftrightarrow ( = \iff), \nearrow ( = \nearr), \nwarrow ( = \nwarr), \searrow ( = \searr), \swarrow ( = \swarr), \neArrow ( = \neArr), \nwArrow ( = \nwArr), \seArrow ( = \seArr), \swArrow ( = \swArr), \darr, \Downarrow, \uparr, \Uparrow, \downuparrow ( = \duparr = \updarr), \Updownarrow, \leftsquigarrow, \rightsquigarrow, \leftrightsquigarrow, \upuparrows, \rightleftarrows, \rightrightarrows, \dashleftarrow, \dashrightarrow, \curvearrowleft, \curvearrowbotright, \downdownarrows, \leftleftarrows, \leftrightarrows, \righttoleftarrow, \lefttorightarrow, \circlearrowleft, \circlearrowright, \curvearrowright, \leftarrowtail, \rightarrowtail, \leftrightsquigarrow, \Lleftarrow, \Rrightarrow, \looparrowleft, \looparrowright, \Lsh, \Rsh, \twoheadleftarrow, \twoheadrightarrow, \nLeftarrow, \nleftarrow, \nLeftrightarrow, \nleftrightarrow, \nRightarrow, \nrightarrow, \leftharpoonup, \leftharpoondown, \rightharpoonup, \rightharpoondown, \downharpoonleft, \downharpoonright, \leftrightharpoons, \rightleftharpoons, \upharpoonleft, \upharpoonright