latex cheat sheet

mathrm: turn on roman typestyle

Mathematical Font

Look	Meaning	Latex	Notes	Obsidian shortcut
	calligraphic font	\mathcal	Capital letters-only	mcal
	blackboard font	\mathbb	Capital letters-only	mbb
	fixed-with text	mathtt

Arrows

Symbol	Meaning	Latex
,	left/right arrow	\leftarrow, \rightarrow
,	double left/right arrow	\Leftarrow, \Rightarrow
,	left/right arrows with annotation	\xleftarrow{+}, \xrightarrow{+}
	bidirectional arrow	\leftrightarrow
	double bidirectional arrow	\Leftrightarrow
	bidirectional array with annotation	\xleftrightarrow{+}
	iff	\iff
	implies

Relation and Binary Operators

Equality Related

Symbol	Meaning	Latex	Obsidian shortcut
	is equivalent to	\equiv	equiv
	similar equal	\simeq
	is congruent to	\cong
	proportional to	\propto

Other Relations

Symbol	Meaning	Latex	Obsidian shortcut
	XOR	\oplus
	in	\in

Set Theory

Symbol	Meaning	Latex	Obsidian shortcut
	set		set
	empty set (ugly)	\emptyset
	empty set	\varnothing	eset
	set complement	\overline

Logic

Symbol	Meaning	Latex	Obsidian shortcut
	Proves, turnstile, syntactic consequences	\vdash
		\vDash
	double-turnstile, models, satisfies, semantic consequences	\models
	Wedge (or logical and)	\wedge or land
	logical or	\lor
	top, verum	\top
	uptick, falsum, bottom	\bot

Calculus

Symbol	Meaning	Latex	Obsidian shortcut
	Del	\nabla
	double integral	\iint	iint
	triple integral	\iiint	iiint
	line integral on a closed-loop	\oint	oint

Hats

Symbol	Meaning	Latex	Obsidian shortcut
	Vector	\vec{x}	vec
	Hat	\hat{x}	hat
	Dot	\dot{x}	dot

Operators

Symbol	Meaning	Latex	Obsidian shortcut
	adhoc custom operator	\operatorname{curl}{F}
	define custom operator	\DeclareMathOperator{\arctg}{arctg}

Others

Symbol	Meaning	Latex	Obsidian shortcut
	Parallel	\parallel	para
	Perpendicular	\perp	perp
	Up Tick	\bot
	Modulo	\pmod 2

Matrices

See matrices in latex

Related

• Obsidian Latex Suite

Resources

• List of LaTeX mathematical symbols - OeisWiki