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Question 2 [14 marks]. Show, using truth tables, that (a) ¬(p V q) ^r = -p^ (¬g Ar), (b) ¬ q V (q V p) is a tautology.

Question 2 [14 marks]. Show, using truth tables, that (a) ¬(p V q) ^r = -p^ (¬g Ar), (b) ¬ q V (q V p) is a tautology.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question 2 [14 marks]. Show, using truth tables, that (a) -(p V q) ^r = p^ (¬g A r), [8] (b) ¬q V (q V p) is a tautology. [6]
Transcribed Image Text:Question 2 [14 marks]. Show, using truth tables, that (a) -(p V q) ^r = p^ (¬g A r), [8] (b) ¬q V (q V p) is a tautology. [6]
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