Module 1: Sets and Relations
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N
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All Natural numbers = {1, 2, 3, 4, ...}
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Z
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All Integers = {..., −2, −1, 0, 1, 2, ...}
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Z+
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All Positive integers = {0, 1, 2, ...}
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N
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All Natural numbers = {1, 2, 3, 4, ...}
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Z
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All Integers = {..., −2, −1, 0, 1, 2, ...}
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Z+
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All Positive integers = {0, 1, 2, ...}
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4 ∈ A
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4 is an element of A
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2 ∉ A
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2 is not an element of A
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4 ∈ A
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4 is an element of A
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2 ∉ A
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2 is not an element of A
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4 ∈ A
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4 is an element of A
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2 ∉ A
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2 is not an element of A
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4 ∈ A
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4 is an element of A
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2 ∉ A
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2 is not an element of A
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4 ∈ A
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4 is an element of A
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2 ∉ A
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2 is not an element of A
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