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Mathematics vocabulary · Sets and Logic

Set

Meaning in mathematics, with examples

/set/nounCore term

In mathematics, set means: A well-defined collection of distinct objects, called elements, usually written inside curly brackets, such as {2, 4, 6}.

In Turkish: küme

How it is used

The basic language of modern mathematics. Common phrases are 'the set of real numbers', 'the empty set' (∅), 'the solution set' and 'set notation'. Sets are named with capital letters, and ∈ is read 'is an element of'.

Example sentences

  1. Let A be the set of even numbers less than 10.

  2. Write the solution set of the inequality in interval notation.

Common collocations

  • the empty set
  • solution set
  • set notation
  • the set of real numbers
  • finite set
  • elementOne of the objects that belong to a set; 3 is an element of {1, 3, 5}, written 3 ∈ {1, 3, 5}.
  • 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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