Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Problem 1. Use the Boolean algebra derivation (instead of truth table) to prove or answer the questions.
p↔q = (p→q)^ (q→→p)
pvq-(p→q) →q
(p+q)' =p' q
Is ((p = q)) ((pr) ➡(qr)) a tautology, why? Provide the proof or disproof.
Is (p q) (p →q) a tautology, why? Provide the proof or disproof.
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Transcribed Image Text:Problem 1. Use the Boolean algebra derivation (instead of truth table) to prove or answer the questions. p↔q = (p→q)^ (q→→p) pvq-(p→q) →q (p+q)' =p' q Is ((p = q)) ((pr) ➡(qr)) a tautology, why? Provide the proof or disproof. Is (p q) (p →q) a tautology, why? Provide the proof or disproof.
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