Question

write a short Note
on set theory​

Answer 1

Answer:

Step-by-step explanation:Set theory is the mathematical theory of well-determined collections, called sets, of objects that are called members, or elements, of the set. Pure set theory deals exclusively with sets, so the only sets under consideration are those whose members are also sets

Some examples of sets defined by describing the contents:

The set of all even numbers

The set of all books written about travel to Chile

Answers

Some examples of sets defined by listing the elements of the set:

{1, 3, 9, 12}

{red, orange, yellow, green, blue, indigo, purple}

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