Using Boolean algebra postulates prove the following expressions
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
Using Boolean algebra postulates prove the following expressions
(i) ?+??=?
(ii) ?+?′?=?+?
![4. Using Boolean algebra postulates prove the following expressions
(i) x+xy=x
(ii) x+x'y=x+y]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff573ce00-be8f-48c9-aad8-fe1082a4ce9b%2Fc4d127e9-67b0-471c-aba9-0f99571712ee%2Fbrd08ac.bmp&w=3840&q=75)
Transcribed Image Text:4. Using Boolean algebra postulates prove the following expressions
(i) x+xy=x
(ii) x+x'y=x+y]
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