8. 9. The statement, "Some musician play instruments" where M(x) is "x is a musician" and I (x) is "x plays instruments" and the domain consists of all people. A. B. C. D. 3x (M(x) A I (x)) Vx (M(x) A I(x)) 3x (M(x) Vx (M(x) I (x)) I (x)) Which of the following statement is FALSE? A. Xn X = X B. X - (Yn z) = (XY) U (X -Z) C. X U Y)© = X^ U YC D. XUX = X

8. 9. The statement, "Some musician play instruments" where M(x) is "x is a musician" and I (x) is "x plays instruments" and the domain consists of all people. A. B. C. D. 3x (M(x) A I (x)) Vx (M(x) A I(x)) 3x (M(x) Vx (M(x) I (x)) I (x)) Which of the following statement is FALSE? A. Xn X = X B. X - (Yn z) = (XY) U (X -Z) C. X U Y)© = X^ U YC D. XUX = X

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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