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Mathematics vocabulary · Sets and Logic

Element

Meaning in mathematics, with examples

/ˈelɪmənt/nounCore term

In mathematics, element means: One of the objects that belong to a set; 3 is an element of {1, 3, 5}, written 3 ∈ {1, 3, 5}.

In Turkish: eleman, öğe

How it is used

x ∈ A is read 'x is an element of A', 'x belongs to A' or simply 'x is in A'; x ∉ A means 'x is not an element of A'. 'Member' is used with the same meaning, and the numbers in a matrix are also called its elements or entries.

Example sentences

  1. How many elements does the set {2, 4, 6, 8} have?

  2. Let x be an element of A ∩ B.

Common collocations

  • element of a set
  • number of elements
  • is an element of
  • belongs to
  • setA well-defined collection of distinct objects, called elements, usually written inside curly brackets, such as {2, 4, 6}.
  • subsetA set whose elements all belong to another set; {1, 2} is a subset of {1, 2, 3}, written {1, 2} ⊆ {1, 2, 3}.
  • unionThe set of all elements that are in at least one of two or more sets; the union of {1, 2} and {2, 3} is {1, 2, 3}.
  • intersectionThe set of elements that belong to all of the given sets at the same time; the intersection of {1, 2, 3} and {2, 3, 4} is {2, 3}.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Sets and Logic

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