# Definition:Boolean Algebra/Also known as

## Boolean Algebra: Also defined as

Some sources refer to a Boolean algebra as:

or

both of which terms already have a different definition on $\mathsf{Pr} \infty \mathsf{fWiki}$.

Other common notations for the elements of a Boolean algebra include:

- $0$ and $1$ for $\bot$ and $\top$, respectively
- $a'$ for $\neg a$.

When this convention is used, $0$ is called **zero**, and $1$ is called **one** or **unit**.