# Space (mathematics) > A **[space](Set%20Theory.md)** is a collection of all elements under consideration. In [mathematics](https://en.wikipedia.org/wiki/Mathematics), a **space** is a [set](https://en.wikipedia.org/wiki/Set_(mathematics) "Set (mathematics)") (sometimes called a [universe](https://en.wikipedia.org/wiki/Universe_(mathematics))) with some added [structure](https://en.wikipedia.org/wiki/Mathematical_structure "Universe (mathematics)"). --- References: * [Wikipedia](https://en.wikipedia.org/wiki/Space_(mathematics))