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Let P(x, y) be a propositional function. Show that is a

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

Solution for problem 28E Chapter 1.SE

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 28E

Let P(x, y) be a propositional function. Show that is a tautology.

Step-by-Step Solution:

Solution :Step 1: In this problem we need to prove that the propositional functions x and are tautology . Step 2: definition :-Tautology : if two propositions have same truth then this is called tautology .Example : let P(x) and Q(x) are two propositions.Where P(x) = “0 is the natural number “ and Q(x) = “ 4 is prime number “Clearly P(x) and Q(x) both are false statement, so this is called tautology .

Step 3 of 3

Chapter 1.SE, Problem 28E is Solved
Textbook: Discrete Mathematics and Its Applications
Edition: 7
Author: Kenneth Rosen
ISBN: 9780073383095

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Let P(x, y) be a propositional function. Show that is a

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