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5 Written questions
4 Multiple choice questions
 you list the names of the members of the set between braces.
 has a non ending, uncountable number of sets.
 doesnt contain any elements  subset of every set
 has a counable number of elements
4 True/False questions

the null set → doesnt contain any elements  subset of every set

Set builder Notation → contains only the elements that both sets have in common.

subset → set whose elements are completely contained in a larger set. Every subset is a subset of itself

disjoint → when intersetion of 2 sets is the empty set.