Which of the following statements are valid? Select one or more: {1, 2, 3, 4, 5} n {1, 4, 8, 12} = {1, 2, 3, 4, 5, 8, 12} {1,3,5,7,9, 11, } U {2, 4, 6, 8, 10, . {a, b, c, d, e}^{a, e, i, o,u} = {a,e} Let A = {1, 3, 5, 7, 9}, B = {2, 4, 6, 8} and C = {1,2,3,4}. Then (A U B) = {1,2,3,4} {1, 3, 5, 7, 9, 11, } U {2, 4, 6, 8, 10, .} = Ø For any sets X, Y and Z, the equality (XnY) UZ = (XUY) n Z is valid (Hint: You might use venn diagrams to help detemine if the equality is valid) 9.... .} = N Let A = {1,3,5,7,9}, B = {2, 4, 6, 8} C = {1,2,3,4}. Then (An B) UC = {1,2,3,4} If U = {1, 2, 3, . . . . , 7, 8, 9} then {1,3,5,7,9} = {2, 4, 6, 8}
Which of the following statements are valid? Select one or more: {1, 2, 3, 4, 5} n {1, 4, 8, 12} = {1, 2, 3, 4, 5, 8, 12} {1,3,5,7,9, 11, } U {2, 4, 6, 8, 10, . {a, b, c, d, e}^{a, e, i, o,u} = {a,e} Let A = {1, 3, 5, 7, 9}, B = {2, 4, 6, 8} and C = {1,2,3,4}. Then (A U B) = {1,2,3,4} {1, 3, 5, 7, 9, 11, } U {2, 4, 6, 8, 10, .} = Ø For any sets X, Y and Z, the equality (XnY) UZ = (XUY) n Z is valid (Hint: You might use venn diagrams to help detemine if the equality is valid) 9.... .} = N Let A = {1,3,5,7,9}, B = {2, 4, 6, 8} C = {1,2,3,4}. Then (An B) UC = {1,2,3,4} If U = {1, 2, 3, . . . . , 7, 8, 9} then {1,3,5,7,9} = {2, 4, 6, 8}
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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Which of the following statements are valid?
Select one or more:
{1,2,3,4,5} n {1,4,8, 12} = {1, 2, 3, 4, 5, 8, 12}
O {1,3,5,7,9,11,.... } U {2, 4, 6, 8, 10, .... } = N
(a, b, c, d, e} n {a, e, i, o, u} = {a, e}
Let A = {1, 3, 5, 7, 9}, B = {2, 4, 6, 8} and C = {1,2,3,4}.
Then (AUB) = {1,2,3,4}
{ 1, 3, 5, 7, 9, 11, .…….
.
For any sets X, Y and Z, the equality (X n Y) u Z = (XU Y) N Z is valid
(Hint: You might use venn diagrams to help detemine if the equality is valid)
} U {2, 4, 6, 8, 10, . .}
= Ø
Let A = {1,3,5,7,9}, B = {2, 4, 6, 8} C = {1, 2, 3, 4).
Then (An B) UC = {1,2,3,4}
If U = {1, 2, 3, ...., 7, 8, 9} then {1,3,5,7,9}º = {2,4,6,8}
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