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7. Эп Эт (п +m%3D4лп-т %3D1) 8. Эn Эт (п +m%3D4лп-т 32) 9. Уn Vm Эp (р %3D (т + п)2)

7. Эп Эт (п +m%3D4лп-т %3D1) 8. Эn Эт (п +m%3D4лп-т 32) 9. Уn Vm Эp (р %3D (т + п)2)

Database System Concepts
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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please answer 7 8 9 sub parts only

Problem 4: Determine the truth value of each of the following statements. We assume that the domain for all variables consists of all integers. 1. Vn 3m (n? <m) 2. Эn Vm (n <m?) 3. Уn Эт (п+m3D0) 4. Эn Vm (пт %3D т) 5. 3n 3m (n² + m² = 6. Эn Эт (п?+ m? %3D 6) 7. Эп Эт (п + m%3D4лп- т 31) 8. Эn Эт (п +m%34 лп- т -2) 9. Уn Vm Эp (p %3 (т+n)2)
Transcribed Image Text:Problem 4: Determine the truth value of each of the following statements. We assume that the domain for all variables consists of all integers. 1. Vn 3m (n? <m) 2. Эn Vm (n <m?) 3. Уn Эт (п+m3D0) 4. Эn Vm (пт %3D т) 5. 3n 3m (n² + m² = 6. Эn Эт (п?+ m? %3D 6) 7. Эп Эт (п + m%3D4лп- т 31) 8. Эn Эт (п +m%34 лп- т -2) 9. Уn Vm Эp (p %3 (т+n)2)
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