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There are two ways of writing sets:

1. Roster Method

-listing the elements in any order and enclosing them with braces.


A= {January, February, March…December}


2. Rule Method

-giving a descriptive phrase that will clearly identify the elements of

the set.


C={days of the week}

D={odd numbers}

1. Roster Method

- listing the elements in any order and enclosing them in a bracket.

A = {1, 2, 3, 4}

2. Rule Method

- giving a descriptive phrase that will clearly identify the elements of the set.

A = { first four counting numbers}
ang mga batayan sa pagsusulat ng historya ay ang mga mananaliksik. at dahil din sa grupong tinatawag na tropapa.
The two methods in writing sets are 1.) Listing method and 2.)Roster method.
1. listing method i.e A = {1, 2, 3, 4, 5}

2. set builder notation i.e B = {x | 1 < x < 10 and 3 | x}

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โˆ™ 2017-06-21 12:21:07
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Shreyash Bhagat

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โˆ™ 2021-07-22 05:09:56
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I-Land Taki

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โˆ™ 2021-09-23 02:15:01
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โˆ™ 2015-06-06 15:20:47

There are basically two ways to describe a set. One is to list the elements, for example:{1, 3, 6, 10}

The other way is to define some rule that defines membership in the set, for example:

{x | x is a Prime number}

Read this as: The set of all "x", such that "x" is a prime number.

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Q: What are the two ways of writing sets?
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