bn:00074971n
Noun Concept
Categories: Basic concepts in set theory, Articles with short description
EN
subset  inclusion  Superset  Inclusion relation  Membership sign
EN
A set whose members are members of another set; a set contained within another set WordNet 3.0
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EN
A set whose members are members of another set; a set contained within another set WordNet 3.0 & WordNet 2020
In mathematics, a set A is a subset of a set B if all elements of A are also elements of B; B is then a superset of A. It is possible for A and B to be equal; if they are unequal, then A is a proper subset of B. The relationship of one set being a subset of another is called inclusion. Wikipedia
Set A is a subset of a set B, or equivalently B is a superset of A, if A is "contained" inside B, that is, all elements of A are also elements of B. A and B may coincide Wikidata
The act of adding or annexing, (something) to a group, set, or total. OmegaWiki
With respect to another set, a set such that each of its elements is also an element of the other set. OmegaWiki
A set A such that every element of A is also an element of S. Wiktionary
EN
The set of integers is a subset of the set of real numbers. Wiktionary
The set { a , b } is a both a subset and a proper subset of { a , b , c } while the set { a , b , c } is a subset of { a , b , c } but not a proper subset of { a , b , c } . Wiktionary