Latex

Để gõ Latex trong WordPress ta gõ: “$ latex – công thức $” trong đó không có khoảng trống giữa latex và $.

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

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
Symbol Command Symbol Command Symbol Command
\nmid \nmid \nleq \nleq \ngeq \ngeq
\nsim \nsim \ncong \ncong \nparallel \nparallel
\not< \not< \not> \not> \not= \not=
\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

Greek Letters

Symbol Command Symbol Command Symbol Command Symbol Command
\alpha \alpha \beta \beta \gamma \gamma \delta \delta
\epsilon \epsilon \varepsilon \varepsilon \zeta \zeta \eta \eta
\theta \theta \vartheta \vartheta \iota \iota \kappa \kappa
\lambda \lambda \mu \mu \nu \nu \xi \xi
\pi \pi \varpi \varpi \rho \rho \varrho \varrho
\sigma \sigma \varsigma \varsigma \tau \tau \upsilon \upsilon
\phi \phi \varphi \varphi \chi \chi \psi \psi
\omega \omega

Capital letters

Symbol Command Symbol Command Symbol Command Symbol Command
\Gamma \Gamma \Delta \Delta \Theta \Theta \Lambda \Lambda
\Xi \Xi \Pi \Pi \Sigma \Sigma \Upsilon \Upsilon
\Phi \Phi \Psi \Psi

Arrows

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

Dots

Symbol Command Symbol Command Symbol Command Symbol Command
\ldots 2 \ldots 2 \vdots \vdots \cdots 2 \cdots 2 \ddots \ddots

Accents

Symbol Command Symbol Command Symbol Command
\hat{x} \hat{x} \check{x} \check{x} \dot{x} \dot{x}
\breve{x} \breve{x} \acute{x} \acute{x} \ddot{x} \ddot{x}
\grave{x} \grave{x} \tilde{x} \tilde{x} \mathring{x} \mathring{x}
\bar{x} \bar{x} \vec{x} \vec{x}

When applying accents to i and j, you can use \imath and \jmath to keep the dots from interfering with the accents:

Symbol Command Symbol Command
\vec{\jmath} \vec{\jmath} \tilde{\imath} \tilde{\imath}
Symbol Command Symbol Command
\widehat{3+x} \widehat{3+x} \widetilde{abc} \widetilde{abc}

Others

Symbol Command Symbol Command Symbol Command
\infty \infty \triangle \triangle \angle \angle
\aleph \aleph \hbar \hbar \imath \imath
\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
Symbol Command Symbol Command Symbol Command
\{ \{ \} \} \| \|
\backslash \backslash \lfloor \lfloor \rfloor \rfloor
\lceil \lceil \rceil \rceil \langle \langle
\rangle \rangle
Symbol Command Symbol Command Symbol Command
\uparrow \uparrow \downarrow \downarrow \updownarrow \updownarrow
\Uparrow \Uparrow \Downarrow \Downarrow \Updownarrow \Updownarrow
Symbol Command Symbol Command Symbol Command
\textstyle\sum \displaystyle\sum \sum \textstyle\int \displaystyle\int \int \textstyle\oint \displaystyle\oint \oint
\textstyle\prod \displaystyle\prod \prod \textstyle\coprod \displaystyle\coprod \coprod \textstyle\bigcap \displaystyle\bigcap \bigcap
\textstyle\bigcup \displaystyle\bigcup \bigcup \textstyle\bigsqcup \displaystyle\bigsqcup \bigsqcup \textstyle\bigvee \displaystyle\bigvee \bigvee
\textstyle\bigwedge \displaystyle\bigwedge \bigwedge \textstyle\bigodot \displaystyle\bigodot \bigodot \textstyle\bigotimes \displaystyle\bigotimes \bigotimes
\textstyle\bigoplus \displaystyle\bigoplus \bigoplus \textstyle\biguplus \displaystyle\biguplus \biguplus
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