bn:00016309n
Noun Concept
Categories: Intersection, Operations on sets, Basic concepts in set theory
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intersection  product  Cartesian product  product topology  Empty intersection
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The set of elements common to two or more sets WordNet 3.0
English:
sets
set theory
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The set of elements common to two or more sets WordNet 3.0 & Open English WordNet
In set theory, the intersection of two sets A {\displaystyle A} and B, {\displaystyle B,} denoted by A ∩ B, {\displaystyle A\cap B,} is the set containing all elements of A {\displaystyle A} that also belong to B {\displaystyle B} or equivalently, all elements of B {\displaystyle B} that also belong to A. Wikipedia
The set of elements common to some collection of sets Wikipedia Disambiguation
Concept in mathematics specific to the field of set theory Wikidata
The set of all possible pairs of elements whose components are members of two sets. Notation: X × Y = { ( x , y ) ‖ x ∈ X ∧ y ∈ Y } . Wiktionary
Set of possible pairs. Wiktionary (translation)
The topology of the Cartesian product of two or more topological spaces which is generated from a basis whose elements are Cartesian products of open subsets of the original spaces, such that for each such Cartesian product only a finite quantity of such subsets are proper. Wiktionary
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The set of red hats is the intersection of the set of hats and the set of red things WordNet 3.0 & Open English WordNet
IS A
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WordNet 3.0 & Open English WordNet
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