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cheatsheet.md

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CHEAT SHEET

<style> .column-left{ float: left; width: 47.5%; text-align: left; } .column-right{ float: right; width: 47.5%; text-align: left; } .column-one{ float: left; width: 100%; text-align: left; } </style>

Environments

\begin \end

snippet
mbeg \begin{} \end{}
eq \begin{equation}
eqv \begin{equation*}
ali \begin{aligned}
gat \begin{gather}
cas \begin{cases}
enm \begin{enumerate}
itz \begin{itemize}
thm \begin{theorem}
prp \begin{proposition}
dfn \begin{definition}
lem \begin{lemma}
prf \begin{proof}
ex \begin{example}
exe \begin{exercise}
rem \begin{remark}
Mp34xb \begin{pmatrix} size 3 x 4, all components =x
Mb23yb \begin{bmatrix} size 2 x 3, all components =y
  • Add suffix v to get * version.
  • Bmatrix, vmatrix, Vmatrix are also available.

Misc

snippet
;; \( \)
x;; \( x \)
lr) \left( \right)
  • lr also works for ], >, }, v(vert), V(Vert).

Subscripts and Superscripts

snippet
__ _{}
^^ ^{}
inv ^{-1}
x1 x_1
x23 x_{23}
xNN x_n
a_ipk a_{i+k}
b_ip1 b_{i+1}
a_jmk a_{j-k}
b_jm1 b_{j-1}
xJJpk x_{j+k}
x_{i+1}tt x^{i+1}
sq ^2
cb ^3

Dots

snippet
.. \ldots
,. , \ldots,
x_{i+1},, x_{i+1}, \\ldots, x_{i+1}
sdd \ddots
sdv \vdots
dc \cdot
  • sd + [dvlc](dot type) -> \\(dot type)dots

Characters

snippet
za \alpha $\alpha$
zG Gamma $\Gamma$
R# \mathbb{R} $\mathbb{R}$
Acal \mathcal{A} $\mathcal{A}$
B@ \mathscr{B} $\mathscr{B}$
\mathbb{R}# \mathcal{R}
\mathcal{R}# \mathscr{R}
\mathscr{R}# \mathbb{R}
\mathbb{Z}+ \mathbb{Z}_+ $\mathbb{Z}_+$
\mathbb{R}* \mathbb{R}^* $\mathbb{R}^*$
  • adding # converts mathbb -> mathcal -> mathscr -> mathbb

Math Commands

Commands with Short Names

For commands of less than or equal to four characters in length, you may assume that their snippets are defined in an obvious way as follows:

snippet
in \in $\in$
int \int $\int$
notin \notin $\notin$
sim \sim $\sim$
simeq \simeq $\simeq$
dot \dot $\dot{x}$
  • more than 50 snippets are defined in this way.

Commands with Longer Name

snippet
imp \implies $\Rightarrow$
imb \impliedby $\Leftarrow$
ssb \subset $\subset$
ssp \supset $\supset$
stm \setminus $\setminus$
emps \emptyset $\emptyset$
ee \exists $\exists$
fa \forall $\forall$
mpt \mapsto $\mapsto$
uuto \upuparrows $\upuparrows$
ddto \downdownarrows $\downdownarrows$
lra \leftrightarrow $\leftrightarrow$
Lra \Leftrightarrow $\Leftrightarrow$
xto \xrightarrow $\longrightarrow$
xot \xleftarrow $\longleftarrow$
oo \infty $\infty$
asin \arcsin $\arcsin$
app \approx $\approx$
xx \times $\times$
oxx \otimes $\otimes$
o+ \oplus $\oplus$
inte \interior $A^{\circ}$
ovl \overline $\overline{x}$
uset \underset
oset \overset
ff \frac $\frac{1}{2}$
tit \textit
tbf \textbf
mrm \mathrm

Suggestion

snippet
\sum _ \sum_{i=1} $\sum_{i=1}$
\prods _ \prod_{i=1} $\prod_{i=1}$
\lim _ \lim_{x \to \infty} $\lim_{x \to \infty}$
\sum ^ \sum_{i=1}^{\infty} $\sum_{i=1}^{\infty}$
\prods ^ \prod_{i=1}^{n} $\prod_{i=1}^{n}$
\to ^ \xrightarrow{{x} \to \infty}
\int ^ \int_{\infty}^{\infty} $\int_{\infty}^{\infty}$
  • _: modest suggestion
  • ^: aggressive