cool math Sets Equality

Sets equality in cool math for kids

In cool math 4 kids Two sets are equal if they have precisely the same members. Now, at first glance they may not seem equal, you may have to examine them closely!

 Example: A and B are equal where:

• A is the set whose members are the first four positive whole numbers
• B = {4, 2, 1, 3}

Let's check. They both contain 1. They both contain 2. And 3, And 4. And we have checked every element of both sets, so: Yes, they are!

And the equals sign (=) is used to show equality, so you would write:

 

A = B

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