How to Identify the Elements of a Set | Set Theory

Sets contain elements, and sometimes those elements are sets, intervals, ordered pairs or sequences, or a slew of other objects! When a set is written in roster form, its elements are separated by commas, but some elements may have commas of their own, making it a little difficult at times to pick out the elements of a set.

In this lesson, we go over the process of identifying the elements in some nasty sets, and provide an example problem at the end.

Additionally, if you can identify the elements of a set, you can count them! And if you know how many elements are in the set, then you can figure out how many subsets it has, which is also the cardinality of its power set! Hope you enjoy the lesson!

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

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