Number sets

\[\begin{array}{c|l} \text{Character or symbol} & \LaTeX \\ \mathbb{R} & \text{\mathbb{R}} \\ \end{array}\]

Operators

\[\begin{array}{c|l} \text{Character or symbol} & \LaTeX \\ \pm & \text{\pm} \\ \end{array}\]

Constant numbers

\[\begin{array}{c|l} \text{Character or symbol} & \LaTeX \\ \pi & \text{\pi} \\ e & \text{e} \\ \end{array}\]

Proofs

\[\begin{array}{c|l} \text{Character or symbol} & \LaTeX \\ \implies & \text{\implies} \\ \forall & \text{\forall} \\ \exists & \text{\exists} \\ \end{array}\]

Sets

\[\begin{array}{c|l} \text{Character or symbol} & \LaTeX \\ \cap & \text{\cap (intersection)} \\ \subseteq & \text{\subseteq (subset equal)} \\ \in & \text{\in} \\ \end{array}\]

Functions

\[\begin{array}{c|l} \text{Character or symbol} & \LaTeX \\ \longrightarrow & \text{\longrightarrow} \\ \longmapsto & \text{\longmapsto} \\ \circ & \text{\circ} \\ \end{array}\]

Vectors

\[\begin{array}{c|l} \text{Character or symbol} & \LaTeX \\ \overrightarrow{PQ} & \text{\overrightarrow{PQ}} \\ \end{array}\]

Modular arithmetic

\[\begin{array}{c|l} \text{Character or symbol} & \LaTeX \\ \equiv & \text{\equiv} \\ \end{array}\]