: \angle
\measuredangle,\sphericalangle,
\approx,
\approxeq,
\thickapprox,
\asymp,
\backslash,
\because,
\between,
\bottom (= \bot),
\boxminus ( = \minusb)
\boxplus ( = \plusb),
\boxtimes ( = \timesb),
\bowtie,
\bullet,
\cap ( = \intersection),
\cup ( = \union),
\cdot,
\clubsuit,
\diamondsuit,
\heartsuit,
\spadesuit,
\circ,
\bigcirc,
\cong,
\ncong,
\dagger,
\ddagger,
\dashv,
\Vdash,
\vDash,
\nvDash,
\VDash,
\nVDash,
\vdash,
\nvdash,
\Vvdash,
\Diamond,
\diamond,
\div,
\equiv,
\nequiv,
\eqcirc,
\neq ( = \ne),
\Bumpeq,
\bumpeq,
\circeq,
\doteq,
\doteqdot,
\fallingdotseq,
\risingdotseq,
\exists,
\nexists,
\flat,
\forall,
\frown,
\gt,
\ngtr,
\gg,
\ggg,
\geq ( = \ge),
\ngeq,
\geqq,
\ngeqq,
\geqslant,
\ngeqslant,
\eqslantgtr,
\gneq,
\gneqq,
\gnapprox,
\gnsim,
\gtrapprox,
\gtrsim,
\gtrdot,
\gtreqless,
\gtreqqless,
\gtrless,
\gvertneqq,
\in,
\notin,
\ni,
\notni,
\lhd,
\unlhd,
\lt,
\nless,
\ll,
\lll,
\leq ( = \le),
\nleq,
\leqq,
\nleqq,
\leqslant,
\nleqslant,
\eqslantless,
\lessapprox,
\lessdot,
\lesseqgtr,
\lesseqqgtr,
\lessgtr,
\lesssim,
\lnapprox,
\lneq,
\lneqq,
\lnsim,
\ltimes,
\lvertneqq,
\lozenge,
\blacklozenge,
\mid ( = \shortmid),
\nmid,
\nshortmid,
\models,
\multimap,
\nabla ( = \Del),
\natural,
\not ( = \neg),
\odot,
\odash ( = \circleddash),
\otimes,
\oplus,
\parallel,
\nparallel,
\shortparallel,
\nshortparallel,
\partial,
\Perp ( = \Vbar),
\perp,
\pitchfork,
\pm,
\mp,
\prec,
\nprec,
\precapprox,
\precnapprox,
\preceq,
\npreceq,
\preccurlyeq,
\curlyeqprec,
\precsim,
\precnsim,
\prime,
\backprime,
\propto,
\varpropto,
\rhd,
\unrhd,
\rtimes,
\setminus,
\smallsetminus,
\sharp,
\sim,
\nsim,
\backsim,
\simeq,
\backsimeq,
\thicksim,
\smile,
\subset,
\nsubset,
\subseteq,
\nsubseteq,
\subseteqq,
\nsubseteqq,
\subsetneq,
\subsetneqq,
\varsubsetneq,
\varsubsetneqq,
\Subset,
\succ,
\nsucc,
\succeq,
\nsucceq,
\succapprox,
\succnapprox,
\succcurlyeq,
\curlyeqsucc,
\succsim,
\succnsim,
\supset,
\nsupset,
\supseteq,
\nsupseteq,
\supseteqq,
\supsetneq,
\supsetneqq,
\varsupsetneq,
\varsupsetneqq,
\Supset,
\square ( = \Box),
\blacksquare (= \qed),
\sqcup,
\sqcap,
\sqsubset,
\sqsubseteq,
\sqsupset,
\sqsupseteq,
\star,
\bigstar,
\therefore,
\times,
\top,
\triangle,
\triangledown,
\triangleleft,
\triangleright,
\blacktriangle,
\blacktriangledown,
\bigtriangleup,
\bigtriangledown,
\uplus,
\vee,
\wedge,
\wr