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

###### Question details

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}