Which of the following formulas are equivalent?  P → (Q → R)  Q → (P → R) (P → Q) ∧ (P → R) (P ∧ Q) → R P → (Q ∧ R)discrete math

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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  1. Which of the following formulas are equivalent? 

  2. P → (Q → R) 

  3. Q → (P → R)

  4. (P → Q) ∧ (P → R)

  5. (P ∧ Q) → R

  6. P → (Q ∧ R)discrete math

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