What is a Union? (Set Theory)

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What is A union B? How do you find the union of sets? What is an operation of sets? In this video we answer these questions, we will talk about the simple set operation: the union, what it is, and how to union two sets. I hope you find this video helpful, and be sure to ask any questions down in the comments!

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Very simplistic and straightforward way of approaching unions..very much appreciated

Itachi_K
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Omg thank you so much, this really helped me with my homework. I didnt think I would get it this fast!!

chacha-ptew
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Thank you it is very understandable it is a big help to my assignment !

andreiruizo
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Your lessons are really great ...

So can we say also like in probability that
set C=A + B - (AnB) ??

And that leads to another question : is there addition operation in sets ??

Thank you in advance

mohfa
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This is a foolish teaching, a person doesn't explain what is the reason of union of two sets???

paschalcharles