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Let f be a function from A to B. Let S and T be subsets of

Discrete Mathematics and Its Applications | 7th Edition | ISBN: 9780073383095 | Authors: Kenneth Rosen ISBN: 9780073383095 37

Solution for problem 44E Chapter 2.3

Discrete Mathematics and Its Applications | 7th Edition

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Discrete Mathematics and Its Applications | 7th Edition | ISBN: 9780073383095 | Authors: Kenneth Rosen

Discrete Mathematics and Its Applications | 7th Edition

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Problem 44E

Let f be a function from A to B. Let S and T be subsets of B. Show that

Step-by-Step Solution:

Step 1 :

In this problem we have to the prove the following properties.

Let  and  and  be subset of  

Then prove that

Step 2 :

We prove this by if and only if relation

Consider

   Now

 We know that  

Hence the definition of inverse,

we have to use this fact in this problem

.’.  

     

     

     

Hence by equation (1) and (2)

 

Step 3 of 3

Chapter 2.3, Problem 44E is Solved
Textbook: Discrete Mathematics and Its Applications
Edition: 7
Author: Kenneth Rosen
ISBN: 9780073383095

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Let f be a function from A to B. Let S and T be subsets of

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