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Express these system specifications using the propositions

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

Solution for problem 7E Chapter 1.2

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 7E

Express these system specifications using the propositions p “The message is scanned for viruses” and q “The message was sent from an unknown system” together with logical connectives (including negations).

a)      “The message is scanned for viruses whenever the message was sent from an unknown system.”

b)     “The message was sent from an unknown system but it was not scanned for viruses.”

c)      “It is necessary to scan the message for viruses whenever it was sent from an unknown system.”

d)     “When a message is not sent from an unknown system it is not scanned for viruses.”

Step-by-Step Solution:

Solution

Step 1:

We have to Express the given system specifications using the propositions p “The message is scanned for viruses” and q “The message was sent from an unknown system” together with logical connectives (including negations).

Step 2 of 5

Chapter 1.2, Problem 7E is Solved
Step 3 of 5

Textbook: Discrete Mathematics and Its Applications
Edition: 7
Author: Kenneth Rosen
ISBN: 9780073383095

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Express these system specifications using the propositions