4) Let R be a binary relation over the set of 8-bit unsigned integers (0 to 255) defined as follows: R= {(a, b)[a ^ b =8 0} where the caret symbol represents a bitwise XOR. (4) Prove that R is an equivalence relation. (2) Determine how many equivalence classes R has. (2) Give a simpler definition for R that doesn't involve the bitwise XOR operator. %3D
4) Let R be a binary relation over the set of 8-bit unsigned integers (0 to 255) defined as follows: R= {(a, b)[a ^ b =8 0} where the caret symbol represents a bitwise XOR. (4) Prove that R is an equivalence relation. (2) Determine how many equivalence classes R has. (2) Give a simpler definition for R that doesn't involve the bitwise XOR operator. %3D
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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