# Symbols:S

## Contents

## Set

- $S$

Used to denote a general set.

The $\LaTeX$ code for \(S\) is `S`

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## Algebraic Structure

- $S$

Used to denote a general algebraic structure, in particular a semigroup.

In this context, frequently seen in the compound symbol $\struct {S, \circ}$ where $\circ$ represents an arbitrary binary operation.

The $\LaTeX$ code for \(\struct {S, \circ}\) is `\struct {S, \circ}`

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## South

- $\mathrm S$

### South (Terrestrial)

**South** is the direction on (or near) Earth's surface along the meridian directly towards the South Pole.

### South (Celestial)

The $\LaTeX$ code for \(\mathrm S\) is `\mathrm S`

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## Southeast

- $\mathrm {SE}$

**Southeast** is the direction on (or near) Earth's surface halfway between **south** and **east**.

The $\LaTeX$ code for \(\mathrm {SE}\) is `\mathrm {SE}`

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## Southwest

- $\mathrm {SW}$

**Southwest** is the direction on (or near) Earth's surface halfway between **south** and **west**.

The $\LaTeX$ code for \(\mathrm {SW}\) is `\mathrm {SW}`

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