The definition of a set by enumerating its members. An extensional definition can always be reduced to an intentional one.
An extension field is sometimes also called simply an extension.
The definition of a set by enumerating its members. An extensional definition can always be reduced to an intentional one.
An extension field is sometimes also called simply an extension.
Weisstein, Eric W. "Set Extension." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SetExtension.html