$\setdef{1, 2, 3} \setminus \setdef{2} = \setdef{1, 3}$

Example · Elementary

Terms

Term	This example	Why
set difference	✓	$\setdef{1, 2, 3} \setminus \setdef{2}$ is a set difference because it removes the elements of $\setdef{2}$ from $\setdef{1, 2, 3}$.
difference	✗	$\setdef{1, 2, 3} \setminus \setdef{2}$ is not a difference of numbers, because removing elements is not subtraction.

Distinctions using this example

• Types of difference

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