Cardinality symbols in LaTeX

Symbol	Command
$\lvert A \rvert$	\lvert A \rvert
$\overline{\overline{A}}$	\overline{\overline{A}}

\#A \\~\\
\# A

\[ \#A \\~\\ \# A \]

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Set symbols in LaTeX

Symbol | Command --- | --- $A \cup B$ | A \cup B $A \cap B$ | A \cap B $A \sqcup B$ | A \sqcup B $A \uplus B$ | A \uplus B $A \dot\cup B$ | A \d...

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LaTeX empty set symbols (commands)

Symbol | Command --- | --- $\phi$ | \phi $\varphi$ | \varphi $\emptyset$ | \emptyset $\varnothing$ | \varnothing

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LaTeX set operations (union, intersection, disjoint union)

Symbol | Command --- | --- $A \cup B$ | A \cup B $A \cap B$ | A \cap B $A \sqcup B$ | A \sqcup B $A \bigcup B$ | A \bigcup B $A \bigcap B$ | A \...

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Complement of set | LaTeX symbols

Symbol | Command --- | --- $A^{c}$ | A^{c} $A^{C}$ | A^{C} $A^{\mathrm{C}}$ | A^{\mathrm{C}} $\bar{A}$ | \bar{A} $\overline{A}$ | \overline{A}

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LaTeX disjoint union

Symbol | Command --- | --- $A \sqcup B$ | A \sqcup B $A \uplus B$ | A \uplus B $A \dot\cup B$ | A \dot\cup B

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LaTeX subset commands and symbols (equal, not equal)

Symbol | Command --- | --- $A \sub B$ | A \sub B $A \subset B$ | A \subset B $A \sube B$ | A \sube B $A \subseteq B$ | A \subseteq B $A \subsete...

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LaTeX "in (a set)" and "not in" symbols

Symbol | Command --- | --- $\in$ | \in $\isin$ | \isin $\ni$ | \ni $\notin$ | \notin $\notni$ | \notni

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LaTeX for all / exist symbols (uniqueness quantification, not exist)

Symbol | Command --- | --- $\forall$ | \forall $\exist$ | \exist $\exists$ | \exists $\exists!$ | \exists! $\nexists$ | \nexists

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Set definition (LaTeX command)

The colon and equal symbol (definition symbol) can be written by the `coloneqq` command and what it makes looks better than what the `colon` com...

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How to write a set of numbers in LaTeX (natural, real, complex numbers)

Symbol | Command --- | --- $\mathbb{N}$ | \mathbb{N} $\mathbb{Z}$ | \mathbb{Z} $\mathbb{Q}$ | \mathbb{Q} $\mathbb{R}$ | \mathbb{R} $\mathbb{C}$ ...

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Power set | LaTeX symbols

Symbol | Command --- | --- $\mathcal{P}$ | \mathcal{P} $\mathfrak{P}$ | \mathfrak{P} $\wp$ | \wp $2^{S}$ | 2^{S}

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Aleph symbol in LaTeX

Symbol | Command --- | --- $\alef$ | \alef $\aleph$ | \aleph $\alefsym$ | \alefsym

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Cardinality symbols in LaTeX

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