Set notation

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8 Terms

1
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What are curly brackets {} used for?

To list the values in a set

2
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What does the ∅ symbol represent?

The empty set

<p>The empty set</p>
3
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What does x∈A mean?

x is a member of set A

4
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What does the notation ℤ mean?

Set of integers

5
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What does x∈ℤ mean?

x is a real number

6
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What notation represents a set of real numbers?

ℝ

7
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Notation for natural numbers

ℕ

8
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What are natural numbers?

The positive integers (whole numbers) - 1, 2, 3, etc.