Answered: If P is a proposition, which of the…

If P is a proposition, which of the following equivalence is valid? А. (Pv-P) = -(PA-P) (Pv-P) = (PA-P) (-Pv-P) = (PAP) В. C. D. --P=-P Select one: O a. D ОБ. В Ос. с O d. A

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

Problem 1PE

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Question

If P is a proposition, which of the following equivalence is valid?
А.
(Pv-P) = -(PA-P)
(Pv-P) = (PA-P)
(-Pv-P) = (PAP)
В.
C.
D.
--P=-P
Select one:
О а. D
O b. B
O. C
O d. A

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