I was about to leave for my job and came to know that the keys of my cars are lost. I only know the following scenario: ⦁ I was not reading the newspaper in the kitchen or I didn’t place my keys on the kitchen table. ⦁ I was reading the newspaper in the kitchen. ⦁ If I was having my breakfast, my keys are on the kitchen table, ⦁ If I was not having my breakfast, I was sitting on sofa. ⦁ If I was sitting on sofa, my keys are in the lounge. Where are the keys?
I was about to leave for my job and came to know that the keys of my cars are lost. I only know the following scenario: ⦁ I was not reading the newspaper in the kitchen or I didn’t place my keys on the kitchen table. ⦁ I was reading the newspaper in the kitchen. ⦁ If I was having my breakfast, my keys are on the kitchen table, ⦁ If I was not having my breakfast, I was sitting on sofa. ⦁ If I was sitting on sofa, my keys are in the lounge. Where are the keys?
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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I was about to leave for my job and came to know that the keys of my cars are lost. I only know the following scenario:
⦁ I was not reading the newspaper in the kitchen or I didn’t place my keys on the kitchen table.
⦁ I was reading the newspaper in the kitchen.
⦁ If I was having my breakfast, my keys are on the kitchen table,
⦁ If I was not having my breakfast, I was sitting on sofa.
⦁ If I was sitting on sofa, my keys are in the lounge.
Where are the keys?
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