Let U= {1,2,3,4,5,6,7,8,9,10,11,12}, let A = {4,3,4,7,8}, let B = {7,8,9,10}, and let C = {3, 8, 9}. write down the following set in enumerated form: A ∪ (B ∩ C) Determine the set B X C Write down the set represented by the bit string 110111011011
Let U= {1,2,3,4,5,6,7,8,9,10,11,12}, let A = {4,3,4,7,8}, let B = {7,8,9,10}, and let C = {3, 8, 9}. write down the following set in enumerated form: A ∪ (B ∩ C) Determine the set B X C Write down the set represented by the bit string 110111011011
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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- Let U= {1,2,3,4,5,6,7,8,9,10,11,12}, let A = {4,3,4,7,8}, let B = {7,8,9,10}, and let C = {3, 8, 9}.
- write down the following set in enumerated form: A ∪ (B ∩ C)
- Determine the set B X C
- Write down the set represented by the bit string 110111011011
- Let A = {1, 2, 3, 4}. Let R be the relation on A defined as follows:
R = {(1, 1), (1, 2), (1, 3), (2, 2), (2, 1), (3, 1), (3, 3), (4, 4)}
State, giving reasons, whether R is reflexive, symmetric, or antisymmetric.
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