Using Set Notation

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Set notation is a written way of explaining a set of numbers. Use set notations in conjunction with Venn diagrams with help from a tutor and teacher in this free video on education in math and science.

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Video Transcript

Hi, my name is Samir Malik. And I'm a private tutor for middle school and High school students in the Austin area. Today, we're going to be discussing Set Notation. And how we use it. Now Set Notation is basically just writing down as a term of explaining a set of numbers. So for example, if you have a Venn diagram explaining numbers in Set A and Set B. And their common interests. You would use the Set Notation to emphasis on which part of that Venn diagram. You're trying to focus on. So to better understand this, I want you to illustrate some examples as well. So you have a better idea of a Set Notation. So if you'd like to take a look here. I'll show you some examples of Set Notation. I'm going to have the Set Notation, the way we write it down. Set Notation. And then I'm also going to illustrate with the Venn diagram. So our Set Notation would be AUB, which would mean, here's our Venn diagram. For A and B. And it would basically include everything that is in either Set A and Set B. The next Set notation would be A. And then a little arrow going in the upper direction. B on a Venn diagram, we would show A and B as well. Except, this only the center section would be shaded. Because this symbol here stands for only the things that are in both the sets of A and B. In other words, the common interests of A and B. And then the third one that I would like to illustrate for you is A. And then we a little minus symbol. B and then in our Venn diagram. We have A and B. and we're only going to shade the portion of A. In this particular diagram. Because this is everything in A, except for anything in it's overlap with B. So only specific to A. And just A alone. And nothing that overlaps or is in common with B is going to be shaded. So these are some examples of Set Notations. Followed by Venn diagrams. To help you understand what the Set Notations actually mean. So from here, we're able to understand Set Notations. How they are written followed by diagrams. To help us understand what those Set Notation symbols really mean.


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