The subset relation defines a partial order on sets. In fact, the subsets of a given set form a Boolean algebra under the subset relation, in which the join and meet are given by intersection and union, …

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The meaning of SUBSET is a set each of whose elements is an element of an inclusive set. How to use subset in a sentence.

A subset of a set is a part of the set or the whole set itself. There are two types of subsets: proper subsets and improper subsets. Learn more about how to write the subsets and how to find the …

Oct 4, 2025 · A subset is a collection of elements that are entirely contained within another set, which may or may not be larger. For example, the set {1, 2} is a subset of {1, 2, 3}.

Jan 14, 2026 · A subset is indicated by the symbol '⊆' and read as 'is a subset of' in set theory. In the figure below, every element of set A belongs to set B; A is called a subset of B.

A set whose members are all contained in another set. The set of positive integers, for example, is a subset of the set of integers. The American Heritage® Student Science Dictionary, Second Edition. …

Jan 18, 2026 · Noun subset (plural subsets) (set theory, of a set S) A set A such that every element of A is also an element of S.

10 hours ago · This means that one understands a function as a subset $f \subset A \times B$ for some set $B$. The problem here is that the same set $f$ occurs as a subset of many product sets $A …

2 days ago · A subset is a portion of a set. B is a subset of A (written B subset= A) iff every member of B is a member of A. If B is a proper subset of A (i.e., a subset other than the set itself), this is written B …