LaTeX Symbols

1.
Symbol Command Symbol Command Symbol Command
± \pm \pm \mp \mp × \times \times
÷ \div \div \cdot \cdot \ast \ast
\star \star \dagger \dagger \ddagger \ddagger
⨿ \amalg \amalg \cap \cap \cup \cup
\uplus \uplus \sqcap \sqcap \sqcup \sqcup
\vee \vee \wedge \wedge \oplus \oplus
\ominus \ominus \otimes \otimes \circ \circ
\bullet \bullet \diamond \diamond \lhd \lhd
\rhd \rhd \unlhd \unlhd \unrhd \unrhd
\oslash \oslash \odot \odot \bigcirc \bigcirc
\triangleleft \triangleleft \Diamond \Diamond \bigtriangleup \bigtriangleup
\bigtriangledown \bigtriangledown \Box \Box \triangleright \triangleright
$\setminus $ \setminus \wr \wr x \sqrt{x} \sqrt{x}
x x^{\circ} x^{\circ} \triangledown \triangledown xn \sqrt[n]{x} \sqrt[n]{x}
ax a^x a^x axyz a^{xyz} a^{xyz}
2.
Symbol Command Symbol Command Symbol Command
\le \le \ge \ge \neq \neq
\sim \sim \ll \ll \gg \gg
\doteq \doteq \simeq \simeq \subset \subset
\supset \supset \approx \approx \asymp \asymp
\subseteq \subseteq \supseteq \supseteq \cong \cong
\smile \smile \sqsubset \sqsubset \sqsupset \sqsupset
\equiv \equiv \frown \frown \sqsubseteq \sqsubseteq
\sqsupseteq \sqsupseteq \propto \propto \bowtie \bowtie
\in \in \ni \ni \prec \prec
\succ \succ \vdash \vdash \dashv \dashv
\preceq \preceq \succeq \succeq \models \models
\perp \perp \parallel \parallel
\mid \mid \bumpeq \bumpeq \
Symbol Command Symbol Command Symbol Command
\nmid \nmid \nleq \nleq \ngeq \ngeq
\nsim \nsim \ncong \ncong \nparallel \nparallel
̸&lt; \not&lt; \not< ̸> \not&gt; \not> ̸= \not= \not= or \neq
̸ \not\le \not\le ̸ \not\ge \not\ge ̸ \not\sim \not\sim
̸ \not \approx \not\approx ̸ \not\cong \not\cong ̸ \not\equiv \not\equiv
̸ \not\parallel \not\parallel \nless \nless \ngtr \ngtr
\lneq \lneq \gneq \gneq \lnsim \lnsim
\lneqq \lneqq \gneqq \gneqq
3.
Symbol Command Symbol Command Symbol Command Symbol Command
α \alpha \alpha β \beta \beta γ \gamma \gamma δ \delta \delta
ϵ \epsilon \epsilon ε \varepsilon \varepsilon ζ \zeta \zeta η \eta \eta
θ \theta \theta ϑ \vartheta \vartheta ι \iota \iota κ \kappa \kappa
λ \lambda \lambda μ \mu \mu ν \nu \nu ξ \xi \xi
π \pi \pi ϖ \varpi \varpi ρ \rho \rho ϱ \varrho \varrho
σ \sigma \sigma ς \varsigma \varsigma τ \tau \tau υ \upsilon \upsilon
ϕ \phi \phi φ \varphi \varphi χ \chi \chi ψ \psi \psi
ω \omega \omega
Symbol Command Symbol Command Symbol Command Symbol Command
Γ \Gamma \Gamma Δ \Delta \Delta Θ \Theta \Theta Λ \Lambda \Lambda
Ξ \Xi \Xi Π \Pi \Pi Σ \Sigma \Sigma Υ \Upsilon \Upsilon
Φ \Phi \Phi Ψ \Psi \Psi Ω \Omega \Omega


4.

Symbol Command Symbol Command
\gets \gets \to \to
\leftarrow \leftarrow \Leftarrow \Leftarrow
\rightarrow \rightarrow \Rightarrow \Rightarrow
\leftrightarrow \leftrightarrow \Leftrightarrow \Leftrightarrow
\mapsto \mapsto \hookleftarrow \hookleftarrow
\leftharpoonup \leftharpoonup \leftharpoondown \leftharpoondown
\rightleftharpoons \rightleftharpoons \longleftarrow \longleftarrow
\Longleftarrow \Longleftarrow \longrightarrow \longrightarrow
\Longrightarrow \Longrightarrow \longleftrightarrow \longleftrightarrow
\Longleftrightarrow \Longleftrightarrow \longmapsto \longmapsto
\hookrightarrow \hookrightarrow \rightharpoonup \rightharpoonup
\rightharpoondown \rightharpoondown \leadsto \leadsto
\uparrow \uparrow \Uparrow \Uparrow
\downarrow \downarrow \Downarrow \Downarrow
\updownarrow \updownarrow \Updownarrow \Updownarrow
\nearrow \nearrow \searrow \searrow
\swarrow \swarrow \nwarrow \nwarrow

(对于不喜欢键入长串字母的人,\iff和\implies可以分别替代\Longleftrightarrow和\ longrighttarrow)

5.点
Symbol Command Symbol Command
\cdot \cdot \vdots \vdots
\dots \dots \ddots \ddots
\cdots \cdots KaTeX parse error: Expected 'EOF', got '\iddots' at position 1: \̲i̲d̲d̲o̲t̲s̲ \iddots
6.
Symbol Command Symbol Command Symbol Command
x^ \hat{x} \hat{x} xˇ \check{x} \check{x} x˙ \dot{x} \dot{x}
x˘ \breve{x} \breve{x} xˊ \acute{x} \acute{x} x¨ \ddot{x} \ddot{x}
xˋ \grave{x} \grave{x} x~ \tilde{x} \tilde{x} x˚ \mathring{x} \mathring{x}
xˉ \bar{x} \bar{x} x \vec{x} \vec{x}

Symbol Command Symbol Command
ȷ \vec{\jmath} \vec{\jmath} ı~ \tilde{\imath} \tilde{\imath}

Symbol Command Symbol Command
7+x^ \widehat{7+x} \widehat{7+x} abc~ \widetilde{abc} \widetilde{abc}
7.
Symbol Command Symbol Command Symbol Command
\infty \infty \triangle \triangle \angle \angle
\aleph \aleph \hbar \hbar ı \imath \imath
ȷ \jmath \jmath \ell \ell \wp \wp
\Re \Re \Im \Im \mho \mho
\prime \prime \emptyset \emptyset \nabla \nabla
\surd \surd \partial \partial \top \top
\bot \bot \vdash \vdash \dashv \dashv
\forall \forall \exists \exists ¬ \neg \neg
\flat \flat \natural \natural \sharp \sharp
\ \backslash \backslash \Box \Box \Diamond \Diamond
\clubsuit \clubsuit \diamondsuit \diamondsuit \heartsuit \heartsuit
\spadesuit \spadesuit \Join \Join \blacksquare \blacksquare
\checkmark \checkmark R \mathbb{R} \mathbb{R} © \copyright \copyright
£ \pounds \pounds \square \square \cup \cup
\bigstar \bigstar \in \in