# Definition:Set of Truth Values

## Definition

The **set of truth values** of propositional logic is the $2$-element set:

- $\Bbb B = \left\{{T, F}\right\}$

of (Aristotelian) truth values.

## Also denoted as

The symbology for true and false is often one of the rows of the following table:

or a typographical variant thereof.

## Also known as

Some speak of a **boolean domain** in this context, alluding to the similarity to the boolean `true/false` data type in many programming languages.