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  3. 1a determine whether each of the following statements are true...

Question: 1a determine whether each of the following statements are true...

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1.)A.) Determine whether each of the following statements are true or false. Be sure to briefly justify your answers.
7 ∈ Z+, 0 ∈ ∅, {3} ⊆ {1, {2}, 3, {4}}, and {x ∈ Z| − 4 ≤ x < 10} = {x ∈ Z+| − 4 ≤ x < 10}

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