Symbol latex

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A The more unusual symbols are not defined in base L TEX (NFSS) and require \usepackage{amssymb}

A L TEX Mathematical Symbols

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α β χ δ η γ ι

Greek and Hebrew letters
\alpha \beta \chi \delta \epsilon \eta \gamma \iota κ λ µ ν o ω φ π \kappa \lambda \mu \nu o \omega \phi \pi ψ ρ σ τ θ υ ξ ζ \psi \rho \sigma \tau \theta \upsilon \xi \zeta ε κ ϕ \digamma \varepsilon \varkappa \varphi\varpi \varrho \varsigma \vartheta ∆ Γ Λ Ω Φ Π Ψ Σ \Delta \Gamma \Lambda \Omega \Phi \Pi \Psi \Sigma Θ Υ Ξ ℵ \Theta \Upsilon \Xi \aleph \beth \daleth \gimel

ς ϑ

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A L TEX math constructs
abc xyz

\frac{abc}{xyz} f’ \sqrt{abc} \sqrt[n]{abc}

abc abc abc abc

\overline{abc} \underline{abc} \widehat{abc} \widetilde{abc}

f √ abc √ n abc

− → abc ← − abc abc abc

\overrightarrow{abc}\overleftarrow{abc} \overbrace{abc} \underbrace{abc}

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Delimiters
| | | \vert \| \Vert { } \{ \} \langle \rangle \lfloor \rfloor \lceil \rceil / \ [ ] / \backslash [ ] ⇑ ↑ ⇓ ↓ \Uparrow \uparrow \Downarrow \downarrow \llcorner \lrcorner \ulcorner \urcorner

Use the pair \lefts1 and \rights2 to match height of delimiters s1 and s2 to the height of their contents, e.g., \left| expr \right|\left\{ expr \right\} \left\Vert expr \right.

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Variable-sized symbols (displayed formulae show larger version)
\sum \prod \coprod \int \oint \iint \biguplus \bigcap \bigcup \bigoplus \bigotimes \bigodot \bigvee \bigwedge \bigsqcup

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Standard Function Names
Correct: Incorrect: arctan cot det hom lim log sec tan \tan(at-n\pi) −→ tan(at − nπ) tan(at-n\pi) −→ tan(at − nπ) arg coth diminf lim inf max sin tanh \arg \coth \dim \inf \liminf \max \sin \tanh

Function names should appear in Roman, not Italic, e.g., arccos cos csc exp ker lim sup min sinh \arccos \cos \csc \exp \ker \limsup \min \sinh arcsin cosh deg gcd lg ln Pr sup \arcsin \cosh \deg \gcd \lg \ln \Pr \sup

\arctan \cot \det \hom \lim \log \sec \tan

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Binary Operation/Relation Symbols
\ast \star\cdot \circ \bullet \bigcirc \diamond \times \div \centerdot \circledast \circledcirc \circleddash \dotplus \divideontimes \equiv \cong \neq \sim \simeq \approx \asymp \doteq \propto \models \approxeq \thicksim \backsim \backsimeq \triangleq \circeq \bumpeq \Bumpeq \doteqdot \thickapprox \fallingdotseq \risingdotseq \varpropto \therefore \because \eqcirc \neq \ncong \nmid \nparallel \nshortmid\nshortparallel \nsim \nVDash \nvDash \nvdash \ntriangleleft \ntrianglelefteq \ntriangleright \ntrianglerighteq ± \pm \mp \amalg \odot \ominus \oplus \oslash \otimes \wr \Box \boxplus \boxminus \boxtimes \boxdot \square \leq \prec \preceq \ll \subset \subseteq \sqsubset \sqsubseteq \dashv \in \leqq \leqslant \lessapprox \lll \lessdot \lesssim \eqslantless \precsim \precapprox \Subset \subseteqq\sqsubset \preccurlyeq \curlyeqprec \blacktriangleleft \trianglelefteq \vartriangleleft \nleq \nleqq \nleqslant \nless \nprec \npreceq \precnapprox \precnsim \lnapprox \lneq \lneqq \lnsim \lvertneqq ∩ ∪ \cap \cup \uplus \sqcap \sqcup \wedge \vee \dagger \ddagger \barwedge \curlywedge \Cap \bot \intercal \doublebarwedge \geq \succ \succeq \gg \supset \supseteq \sqsupset \sqsupseteq \vdash \ni \geqq\geqslant \gtrapprox \ggg \gtrdot \gtrsim \eqslantgtr \succsim \succapprox \Supset \supseteqq \sqsupset \succcurlyeq \curlyeqsucc \blacktriangleright \trianglerighteq \vartriangleright \ngeq \ngeqq \ngeqslant \ngtr \nsucc \nsucceq \succnapprox \succnsim \gnapprox \gneq \gneqq \gnsim \gvertneqq \lhd \rhd \triangleleft \triangleright \unlhd \unrhd \bigtriangledown \bigtriangleup \setminus \veebar\curlyvee \Cup \top \rightthreetimes \leftthreetimes \perp \mid \parallel \bowtie \Join \ltimes \rtimes \smile \frown \notin \lessgtr \lesseqgtr \lesseqqgtr \gtreqqless \gtreqless \gtrless \backepsilon \between \pitchfork \shortmid \smallfrown \smallsmile \Vdash \vDash \Vvdash \shortparallel \nshortparallel \nsubseteq \nsupseteq \nsubseteqq \nsupseteqq \subsetneq \supsetneq \subsetneqq \supsetneqq...
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