Which of the following are counter-examples that show f := {(X, |X|): XC Z5} from P(Z5) to Z is not one-to-one? a) A = {1, 2}, B = {4,2} b) A = {3}, B = {4} Oc) A = {0}, B = {6} d) A = {2}, B = {2}
Which of the following are counter-examples that show f := {(X, |X|): XC Z5} from P(Z5) to Z is not one-to-one? a) A = {1, 2}, B = {4,2} b) A = {3}, B = {4} Oc) A = {0}, B = {6} d) A = {2}, B = {2}
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 are counter-examples that show
ƒ := {(X, |X|) : XC Z5} from P(Z5) to Z is not one-to-one?
a) A = {1, 2}, B = {4, 2}
{3}, B = {4}
○ b) A =
Oc) A =
{0}, B = {6}
○ d) A =
{2}, B = {2}
e) A = {1, 2, 3}, B = {3, 2, 1}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3c37d855-3b90-4d4c-8bcf-3589249dc0bc%2F8b80ae88-9527-495f-aeb8-341ed8b5c65f%2Fbjoe5zh_processed.png&w=3840&q=75)
Transcribed Image Text:Which of the following are counter-examples that show
ƒ := {(X, |X|) : XC Z5} from P(Z5) to Z is not one-to-one?
a) A = {1, 2}, B = {4, 2}
{3}, B = {4}
○ b) A =
Oc) A =
{0}, B = {6}
○ d) A =
{2}, B = {2}
e) A = {1, 2, 3}, B = {3, 2, 1}
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