Question: 22.5 This exercise concerns grammars for very simple languages. a. Write a context-free grammar for the language ab. b. Write a context-free grammar for the

22.5 This exercise concerns grammars for very simple languages.

a. Write a context-free grammar for the language a"b".

b. Write a context-free grammar for the palindrome language: the set of all strings whose second half is the reverse of the first half.

c. Write a context-sensitive grammar for the language a"b"c".

d. Write a context-sensitive grammar for the duplicate language: the set of all strings whose second half is the same as the first half.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Management And Artificial Intelligence Questions!

Q:

This exercise concerns grammars for very simple languages. a. Write a context-free grammar for the language anbn. b. Write a context-free grammar for the palindrome language: the set of all strings...

Q:

ttth Suppose that the sequence of bags {Bn | n N} is recursively enumerated by the computable function e(n, x) = fn(x), [7 marks] Hence prove that the set of all recursive bags cannot be recursively...

Q:

Consider the trigonometric series a0 2 + X r=1 (ar cos rx + br sin rx) where a0, a1, a2, . . . and b1, b2, . . . are constants and suppose that f(x) is a periodic function of x with period 2. (a)...

Q:

PLEASE ANSWER NUMBER 2 AND 3. IF YOUR KIND THEN ALSO ANSWER 4 AND 5. THANK YOU SO MUCH :)) 2 Grammars and Parse Trees 1. For each of the following grammars, describe (in English) the language is...

Q:

( a ) Convert the given regular expression into a context - free grammar. a ( b a ) * * + # a * * b Let = { a , b , # } . Consider the following languages over . Recall that for a string w , | w |...

Q:

( a ) Convert the given regular expression into a context - free grammar. a ( b a ) * * + # a * * b Let = { a , b , # } . Consider the following languages over . Recall that for a string w , | w |...

Q:

Hey Guys, I need some help with some questions on programming languages - Class Activity Write a context-free grammar in the form of BNF notation to satisfy the following requirements, Write a...

Q:

Java has more than ten modifiers that can be used in front of a class or a method declaration; among them are: public, protected, private, static, abstract, final, native, synchronized, transient,...

Q:

Java has more than ten modifiers that can be used in front of a class or a method declaration; among them are: public, protected, private, static, abstract, final, native, synchronized, transient,...

Q:

JAVA or C++ Program Sample test program for CFG class // Test Context-Free Grammar Class import java.io.*; public class TestCFG { public static void main(String[] args) { // Language: strings that...

Q:

Assume that the moon orbits the earth in a circular orbit. From the observed orbital period of27.3 days, calculate the distance of the moon from the center of the earth. Assume that the moon's motion...

Q:

High turnover of technical staff is a fact of life in a buoyant job market and there is little that can be done to reduce turnover. Discuss.

Q:

Required: 1 . What is the specific seven - digit Codification citation ( XXX - XX - XX ) that describes the information that companies must disclose about the exercise prices for their stock option...

Q:

Evaluate each of the following. 54 36 4 + 2 2