(2) {w € [0, 1]* : Jy € [0, 1]* (|wy| is even)} O OU 1* O 0* U1 O (OU 1)* O 0* U 1*

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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(2) {w € [0, 1]*: Ey € (0, 1]* (wyl is even)}
O OU 1*
O 0* U 1
O (OU 1)*
O 0* U 1*
Transcribed Image Text:(2) {w € [0, 1]*: Ey € (0, 1]* (wyl is even)} O OU 1* O 0* U 1 O (OU 1)* O 0* U 1*
Write a regular expression to describe each of the following languages.
Example: {w € {a, b}* : w has both aa and bb as substrings}
Regular expression: (a U b)* aa (a U b) bb (a U b) U (a U b)* bb (a U b)* aa (a U b)*
Transcribed Image Text:Write a regular expression to describe each of the following languages. Example: {w € {a, b}* : w has both aa and bb as substrings} Regular expression: (a U b)* aa (a U b) bb (a U b) U (a U b)* bb (a U b)* aa (a U b)*
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Step 1: Introduction

The question provides a set builder notation that defines a language over the alphabet {0, 1}. We need to determine which regular expression matches the definition provided.

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