(bv d) ↔ (b^ d)- b (d← b) ← (b←d) (bvd) ↔ (bnd) H a P→ (pVq)

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question

Which of the following is a tautology?

P→ (pv q)
a
(bvd) → (bnd)
с
(db)←(b←d)
b
(pVq) → (pA¬q)
d
Transcribed Image Text:P→ (pv q) a (bvd) → (bnd) с (db)←(b←d) b (pVq) → (pA¬q) d
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