# Compact

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**Compact** as a general noun can refer to: Template:Wiktionary

- a diplomatic contract or covenant among parties, sometimes known as a pact, treaty, or an interstate compact;
- a newspaper format, in Britain;
- A small, typically round case, usually containing one, two or all of the following: a mirror, pressed powder, and/or a powder puff

In mathematics, it can refer to various concepts:

- Mostly commonly the term in topology deals with compact spaces and compact sets;
- In propositional and predicate calculus it can refer to the compactness theorem; and
- In order theory and domain theory, the not entirely unrelated notion of a
**compact element**is typically used.

* Compact* is also the name of a 1960s British soap opera.