Number Sets

Set of Integers

The set of positive and negative numbers whose absolute value is a whole number.

Symbol

  • The set of integers is denoted by the letter [latex]\mathbb{Z}[/latex].
  • [latex]\mathbb{Z}[/latex] = {..., –4, –3, –2, –1, 0, 1, 2, 3, 4, ...}.

Educational note

The symbol [latex]\mathbb{Z}[/latex] is the first letter of the German word zahl meaning "number".

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