Universal Set Example Problems | Set Builder Notation, Absolute Complement, Roster Notation

Set-builder notation with universal sets, absolute complements, the roster method, and more are all covered in today’s set theory math lesson! We go over three universal set example problems in this video.

The first problem revolves around converting a set in set-builder notation to a set in roster notation, which amounts to being able to interpret the set-builder notation well enough to identify the elements of the set. However, a universal set is also involved in this problem.

The second problem is about absolute complements and intersections of sets. Remember that absolute complements demand the presence of a universal set.

The third problem is about relative complements with the universal set, which gives us a chance to bring up the empty set!


I hope you find this video helpful, and be sure to ask any questions down in the comments!

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