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Which of the following is a tautology? a. (pvq) →q b. (p^q) →q c. (pv ~q) →q d. (p^~q) →q a Ob O C Oc

Which of the following is a tautology? a. (pvq) →q b. (p^q) →q c. (pv ~q) →q d. (p^~q) →q a Ob O C Oc

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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Which of the following is a tautology? a. (pvq) →q b. (p^q) →q c. (pv ~q) →q d. (p^~q) →q O a Ob O C Od
Transcribed Image Text:Which of the following is a tautology? a. (pvq) →q b. (p^q) →q c. (pv ~q) →q d. (p^~q) →q O a Ob O C Od
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