Define relations R₁,..., R6 on {1, 2, 3, 4} by R₁ = {(2, 2), (2, 3), (2, 4), (3, 2), (3, 3), (3,4)}, R2 = {(1, 1), (1,2), (2, 1), (2, 2), (3, 3), (4, 4)}, R3 = {(2,4), (4, 2)}, R4 = {(1, 2), (2, 3), (3, 4)}, R5 = {(1, 1), (2, 2), (3, 3), (4, 4)}, R6 = {(1, 3), (1, 4), (2, 3), (2, 4), (3, 1), (3, 4)}, Which of the following statements are correct? Check ALL correct answers below. A. R2 is not transitive B. R5 is not reflexive OC. R4 is antisymmetric D. R₁ is reflexive E. R6 is symmetric F. R4 is transitive G. R5 is transitive OH. R₁ is not symmetric OI. R3 is symmetric J. R3 is transitive K. R₂ is reflexive L. R3 is reflexive M. R4 is symmetric
Define relations R₁,..., R6 on {1, 2, 3, 4} by R₁ = {(2, 2), (2, 3), (2, 4), (3, 2), (3, 3), (3,4)}, R2 = {(1, 1), (1,2), (2, 1), (2, 2), (3, 3), (4, 4)}, R3 = {(2,4), (4, 2)}, R4 = {(1, 2), (2, 3), (3, 4)}, R5 = {(1, 1), (2, 2), (3, 3), (4, 4)}, R6 = {(1, 3), (1, 4), (2, 3), (2, 4), (3, 1), (3, 4)}, Which of the following statements are correct? Check ALL correct answers below. A. R2 is not transitive B. R5 is not reflexive OC. R4 is antisymmetric D. R₁ is reflexive E. R6 is symmetric F. R4 is transitive G. R5 is transitive OH. R₁ is not symmetric OI. R3 is symmetric J. R3 is transitive K. R₂ is reflexive L. R3 is reflexive M. R4 is symmetric
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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