## About

The in relationship indicates that an object belongs to a set (equivalently, that the set contains the object).

## Articles Related

## Notation

<MATH> \Large \in </MATH>

## Example

<MATH>\Large 1 \in \{1,2,3,4\}</MATH>

The in relationship indicates that an object belongs to a set (equivalently, that the set contains the object).

<MATH> \Large \in </MATH>

<MATH>\Large 1 \in \{1,2,3,4\}</MATH>