3. Let A = {1, {2, 3), 4}. Identify each of the following as true or false. (a) 3 EA (b) {1, 4} CA (c) {2,3}CA (d) {2,3} E A (e) 4€A (f) {1, 2, 3} CA

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
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3. Let A = {1, {2, 3}, 4). Identify each of the following as true or false.
(а) 3ЕА
(b) {1, 4} CA
(c) {2,3} CA
(d) {2,3} E A
(e) 4€4
(f) {1, 2, 3} CA
Transcribed Image Text:3. Let A = {1, {2, 3}, 4). Identify each of the following as true or false. (а) 3ЕА (b) {1, 4} CA (c) {2,3} CA (d) {2,3} E A (e) 4€4 (f) {1, 2, 3} CA
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