Not natural number term

  • #1
234
1
Is there a term used to describe all number except the natural numbers?
 

Answers and Replies

  • #3
806
23
Do you mean all real numbers except for the naturals? I suppose you'd denote it by ##\mathbb{R} \setminus \mathbb{N}##.

There's really no notion of "all numbers" in mathematics, since "number" is mostly a colloquialism used to describe all kinds of unrelated things.
 

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