e.R is a relation on ZxZZ such that ((a, b), (c, d)) = R if and only if a+b>c+d. ••Reflexive.Anti-reflexive.Symmetric.Anti-symmetric.Justify all your answers.•Transitive.•A partial order.•A strict order.•An equivalence relation.

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e. R is a relation on ZxZZ such that ((a, b), (c, d)) ER if and only if a+b>c+d.

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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Question

e.
R is a relation on ZxZZ such that ((a, b), (c, d)) = R if and only if a+b>c+d.

•
•
Reflexive.
Anti-reflexive.
Symmetric.
Anti-symmetric.
Justify all your answers.
•
Transitive.
•
A partial order.
•
A strict order.
•
An equivalence relation.

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