If is a member of a set , then is said to be an element of , written . If is not an element of , this is written .

The term element also refers to a particular member of a group, or entry in a matrix or unevaluated determinant .

CITE THIS AS:

Weisstein, Eric W. "Element." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/Element.html