Proving a Relation is an Equivalence Relation | Example 2

In this video, we practice another example of proving a relation is in fact an equivalence relation. Enjoy!
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[@BrainGainzOfficial]

So that blue marker kinda sucked and I didn't realize until I filmed this. Sorry. Now it's in the trash where it belongs :)

[@ashwini2u2bE]

Can you please make a video on counterexamples?😢😢

[@peachisoju5824]

Amazing video and clear explanation! thank you very much for the video🙏🏻🌸

[@Hcs586]

Please post more videos on Calc! The world needs your brilliance!

[@user-db4dv3zp8k]

Thanks❤❤

[@cryskullker]

lot better than my professor, thanks

[@abedousma6363]

thanks, that was realy good

[@alexanderkowalewski4162]

Could we get an update video on your academic progress?

[@MathCuriousity]

Hey may I bother you with a question: let’s say we have an equivalence relation aRb. Why can’t I represent this within set theory as set T comprising subset of Cartesian product of a and b, mapped to a set U which contains true or false? Thanks so much!!