Question
Asked Oct 1, 2019
6 views

Please explain how you solve the follwing problem:

Let G be the following context-free grammar
S > Ваа | С
А > аЛ|а
В БВа | b
C dC A|d
a) For each variable, derive its CHAIN set.
CHAIN(S)-{
CHAIN (A)={
CHAIN(B) {
CHAIN(C) {
}
b) Give a grammar equivalent to G that does not contain chain rules. Follow the construction as discussed in class
help_outline

Image Transcriptionclose

Let G be the following context-free grammar S > Ваа | С А > аЛ|а В БВа | b C dC A|d a) For each variable, derive its CHAIN set. CHAIN(S)-{ CHAIN (A)={ CHAIN(B) { CHAIN(C) { } b) Give a grammar equivalent to G that does not contain chain rules. Follow the construction as discussed in class

fullscreen
check_circle

Expert Answer

star
star
star
star
star
1 Rating
Step 1

a) CHAIN set for each variable:

CHAIN(S) = {B, C, A}

CHAIN(A) = ...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Engineering

Computer Science

Related Computer Science Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: In sql, how do you start adding a column to a table and allow it to update cascadae and delete casca...

A: Cascade feature in SQL provides parent-child relationship to the tables.  If a primary key in the pa...

question_answer

Q: In JavaScript, how can you validate a user’s input to make sure it is both a number and between 20 a...

A: JavaScriptitis a web programing language.it is a cross- platform language.Its code is integrated wit...

question_answer

Q: Hello. I am having trouble with an assignment. When I run the program, it says: TypeError: can't mul...

A: To remove this “TypeError: can't multiply sequence by non-int of type 'float' “, we can use NumPy. N...

question_answer

Q: Please help me solve this problem

A: Program design:Since the corner positions are a1,a8,h1,h8 in a chess board and the borders are any p...

question_answer

Q: With signed binary representation, what is the range of numbers as written in binary and in decimal ...

A: Signed binary numbers use their most significant bit (MSB) as a sign bit. Thus out of three, only 2 ...

question_answer

Q: Write two cin statements to get input values into birthMonth and birthYear. Then write a statement t...

A: Program Code:#include <iostream>using namespace std;int main(){  int birthYear, birthMonth;  c...

question_answer

Q: In C++ Create an array of 100 random numbers between 1 and 1000. Ask the user for a number. Search t...

A: A C++ program to search the user’s number in an array containing 100 random numbers between "1" and ...

question_answer

Q: Draw a flowchart for a program that shows the logic for a program that generates a random number.  T...

A: The following program will generate a random number 0 or 1. If the generated random number is 0, the...

question_answer

Q: What language is accepted by the npda M = ({q0, q1, q2}, {a, b}, {a, b, z}} q0, z, {q2}). δ(q0,a,z)=...

A: The given npda is M = ({q0, q1, q2}, {a, b}, {a, b, z}} q0, z, {q2}) with transition functions asδ(q...