Performing an indexed union and intersection

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In this video two examples of infinitely indexed unions and intersections are performed
  1. Joshua Helston
  2. MTH120
  3. MTH120-Chapter 2
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Комментарии
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This was really well explained. I don't appreciate how these books and professors use such over complicated words and explanations for something that can be this simply broken down and explained like a normal human.

kevomacartney
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This is the only video I found that is so well explained. You've helped me a lot, thank you 3000

sebastianpazr
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Jesus christ, thank you! I am not sure how people think one can understand a simple concept such as this when they try to explain it with maximum amount of weird characters in their examples! I watched 15 videos and read 20 articles before I watched this to understand it.

Cemsicles
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About to take a test and forgot this would be in it, all other videos on YouTube didn't show it like you did so thank you so much!

deleondrake
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despite the fact that you are recording in the kitchen, it is a great video KEEP UP!!

mohammedalrajeh
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Thank You for such a simple explanation

amenmoipushi
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amazing. tnx sir. now ive got clear this

suhailawm
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If for the second case we choose A_i to be defined by the open interval (-i, i) then what will be the union and intersection over A_i if i=0, 1, 2, ... ? I am wondering this because if we choose to start i at 0, then would (0, 0) just be the empty set?

ishikabangari
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Should the indexed intersection be infinity or n? Or it doesn't matter: allow n =inf?

duckymomo