4. Consider the following languages. ANFAFIN = {{N) | N is an NFA and L(N) is finite} EREX = {(R) | R is a regular expression and L(R) = 0} • EQREX = {(R1, R2) | R, and R2 are regular expressions and L(R) = L(R2)} EQ NPAFINSET = {(N, U) | N is an NFA, U is a finite set of words, and L(N) = U} ALLREX = {(R) | R is a regular expression and L(R) = {0,1}*} (a) Answer the following questions based on the NFA N as shown below. Simply say yes or no. (1) Is (N) € ANFAFIN? (ii) Is ((0]1)") E EREX? (iii) Is (00", 0*0) e EQREX?
4. Consider the following languages. ANFAFIN = {{N) | N is an NFA and L(N) is finite} EREX = {(R) | R is a regular expression and L(R) = 0} • EQREX = {(R1, R2) | R, and R2 are regular expressions and L(R) = L(R2)} EQ NPAFINSET = {(N, U) | N is an NFA, U is a finite set of words, and L(N) = U} ALLREX = {(R) | R is a regular expression and L(R) = {0,1}*} (a) Answer the following questions based on the NFA N as shown below. Simply say yes or no. (1) Is (N) € ANFAFIN? (ii) Is ((0]1)") E EREX? (iii) Is (00", 0*0) e EQREX?
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
![4. Consider the following languages.
ANFAFIN = {{N) | N is an NFA and L(N) is finite}
EREX = {(R) | R is a regular expression and L(R) = 0}
• EQREX = {(R1, R2) | Ry and R2 are regular expressions and L(R;) = L(R2)}
• EQ NFAFINSET = {(N,U) | N is an NFA, U is a finite set of words, and L(N) = U}
• ALLREX = {{R) | R is a regular expression and L(R) = {0,1}*}
%3D
(a) Answer the following questions based on the NFA N as shown below. Simply say yes or no.
1
(i) Is (N) € ANFAFIN?
(ii) Is (0|1)") € EREX?
(iii) Is (00", 0*0) € EQREX?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94285cd6-237c-421d-8354-d2b722be693e%2F62d253e8-63e5-41f5-8d09-ed825d556ad5%2Fejnrwm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. Consider the following languages.
ANFAFIN = {{N) | N is an NFA and L(N) is finite}
EREX = {(R) | R is a regular expression and L(R) = 0}
• EQREX = {(R1, R2) | Ry and R2 are regular expressions and L(R;) = L(R2)}
• EQ NFAFINSET = {(N,U) | N is an NFA, U is a finite set of words, and L(N) = U}
• ALLREX = {{R) | R is a regular expression and L(R) = {0,1}*}
%3D
(a) Answer the following questions based on the NFA N as shown below. Simply say yes or no.
1
(i) Is (N) € ANFAFIN?
(ii) Is (0|1)") € EREX?
(iii) Is (00", 0*0) € EQREX?
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