# Category:Odd Functions

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This category contains results about Odd Functions.

Let $X \subset \R$ be a symmetric set of real numbers:

- $\forall x \in X: -x \in X$

A real function $f: X \to \R$ is an **odd function** if and only if:

- $\forall x \in X: \map f {-x} = -\map f x$

## Also see

## Subcategories

This category has only the following subcategory.

### E

## Pages in category "Odd Functions"

The following 12 pages are in this category, out of 12 total.