powerset
- noun
- /ˈpaʊərˌsɛt/
- Specialized
- The powerset of the set {a, b} includes {}, {a}, {b}, and {a, b}.
Examples
-
In mathematics, the powerset is used to study the properties of sets and their relationships.
-
The powerset of a set with three elements contains eight different subsets.
-
To solve the problem, she listed every subset in the powerset of the original set.
-
The powerset of a set with three elements has eight subsets.
-
A powerset includes all combinations of elements, even the empty set.
-
To find the powerset of a set, one must include every possible combination of its elements.
-
Each powerset contains at least the empty set and the set itself as its subsets.
Surface Forms
Morphology
Etymology
Powerset joins power and set, where set means 'a group' and power can help you think of 'every possible way'. So a mathematical powerset is the group of all possible smaller groups called 'subsets' that you can make from the original set.