# Definition:Power

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## Disambiguation

This page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.

**Power** may refer to:

- Algebra, analysis and complex analysis:
- Power (Algebra): $x^y$ is the
**$y$th power of $x$**.

- Power (Algebra): $x^y$ is the

- Abstract Algebra:
- Power of an Element: the same concept for a general algebraic structure, which can be refined:
- Power of Magma Element: ... in a magma
- Power of Element of Magma with Identity: ... in a magma with an identity element
- Power of Semigroup Element: ... in a semigroup
- Power of Monoid Element: ... in a monoid
- Power of Group Element: ... in a group
- Power of Ring Element: ... in a ring
- Power of Element in $B$-algebra: ... in a $B$-algebra

- Power of an Element: the same concept for a general algebraic structure, which can be refined:

- Set Theory:
- Power of a Set: Another name for the cardinality of a set.
- Power Set: The set of subsets of a set.