Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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According to some political pundits, a person who is radical (R) is electable (E) if he/she is conservative (C), but otherwise is not electable. 1. Which of the following are correct representations of this assertion? 1. (RAE) C 2. R⇒ (EC) 3. R ((CE)V¬E) 2. Which of the sentences in (a) can be expressed in Horn form?
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Transcribed Image Text:According to some political pundits, a person who is radical (R) is electable (E) if he/she is conservative (C), but otherwise is not electable. 1. Which of the following are correct representations of this assertion? 1. (RAE) C 2. R⇒ (EC) 3. R ((CE)V¬E) 2. Which of the sentences in (a) can be expressed in Horn form?
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