Given: (1) An equivalence relation R on a set A partitions A. (2) In general, the symmetric closure of the reflexive closure of the transitive closure of a relation is transitive. Select one of the following choices: O a. (1) and (2) are False ○ b. (1) and (2) are True O c. (1) is True and (2) is False O d. (1) is False and (2) is True
Given: (1) An equivalence relation R on a set A partitions A. (2) In general, the symmetric closure of the reflexive closure of the transitive closure of a relation is transitive. Select one of the following choices: O a. (1) and (2) are False ○ b. (1) and (2) are True O c. (1) is True and (2) is False O d. (1) is False and (2) is True
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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Transcribed Image Text:Given:
(1) An equivalence relation R on a set A partitions A.
(2) In general, the symmetric closure of the reflexive closure of the transitive
closure of a relation is transitive.
Select one of the following choices:
O a. (1) and (2) are False
○ b. (1) and (2) are True
O c. (1) is True and (2) is False
O d. (1) is False and (2) is True
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