Definition of Set Members

Look at this picture.

These items are a collection of electronic items owned by Mira, Ranu, and Zahra in her house. Mira only has a television and fan. Ranu has a television, iron, and fridge, while Zahra has four electronic items.

Can you form a set of conditions?
What sets can be formed?

Try to make more statements about the situation. For example, the set is called the electronic set of items owned by Mira, Ranu, and Zahra and given the symbol E then E = {Television, fan, iron, fridge}

You can also make a set of children who have refrigerators in their homes, for example given the symbol L then L = {Ranu, Zahra}

Televisions, fans, winds, irons, and refrigerators are each member or element of set E. Is the car a member of set E? Cars are not members of set E. To declare an object that states members of a set are denoted by an ∈ sign that is read "element of" or "member of" or "member", whereas to declare an object that is not a member is denoted by a sign ∉. From the above problems we can say that television ∈ E, fan ∈ E, refrigerator ∈ E, while car ∉ E.

So many articles this time. Sorry if there is a mistake.
Final words wassalamualaikum wr. wb.

Reference:

• The book is logic with mathematics for class VII of SMP and MTS (Umi Salamah)

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