Question: Construct CFGs to prove that the languages below are context - free: L 3 = { a ^ wb ^ xc ^ yd ^ ze

Construct CFGs to prove that the languages below are context-free:
L3={a^wb^xc^yd^ze^w | w, x, y, z >=0 x + z = y}

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 Databases Questions!

Q:

1. Construct a Pushdown automata (PDA) accepting the language L = {0'1' | i > 0} U {o1/ [ j z 0}. 2. For E = {0,1}, design DPDAS to accept the following languages: (a) 0* (b) {01'0/1' | i, j z 0} (c)...

Q:

1. Draw a DFA a. for the language accepting strings starting with 'ab' over input alphabets ={a,b} b. Draw a DFA for the language accepting strings starting with '101' over input alphabets ={0,1} c....

Q:

Briefly describe ASCII and Unicode and draw attention to any relationship between them. [3 marks] (b) Briefly explain what a Reader is in the context of reading characters from data. [3 marks] A...

Q:

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

Q:

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

Q:

Suppose that R(A, B, C) is a relational schema with functional dependencies F = {A, B C, C B}. (i) Is this schema in 3NF? Explain. [2 marks] (ii) Is this schema in BCNF? Explain. [2 marks] (b)...

Q:

Prolog You are approached to compose a Prolog program to work with twofold trees. Your code shouldn't depend on any library predicates and you ought to expect that the mediator is running without...

Q:

QUIZ... Let D be a poset and let f : D D be a monotone function. (i) Give the definition of the least pre-fixed point, fix (f), of f. Show that fix (f) is a fixed point of f. [5 marks] (ii) Show that...

Q:

A discrete sequence {xn} can be converted into a continuous representation x(t) = ts X n= (t n ts) xn, where ts is the sampling period. (a) State two characteristic properties of Dirac's function. [2...

Q:

Microkernel operating systems aim to address perceived modularity and reliability issues in traditional "monolithic" operating systems. (i) Describe the typical architecture of a microkernel...

Q:

Suppose the required reserve ratio for the banking system is 25%. Answer the following questions based on the balance sheet of Lafayette Bank: a. Calculate the level of excess reserves for Lafayette...

Q:

Select a publicly held company to use as the basis for this assignment. Research your selected company and acquire the company's most recent financial statements using the Internet. Write a 700- to...

Q:

202510-FIN4350-800 Chapter 1- Introduction 1. Financial engineering has been disparaged as nothing more than paper shuffling. Critics argue that resources used for rearranging wealth ( that is,...

Q:

Which project management tool uses the analogy "skateboard - bicycle - motorcycle - car"? Group of answer choices Scrum Waterfall Fate - Gate Star - gate

Q:

=+Now write the same commercial as a 15-second spot. What copy could you eliminate and still deliver the same message?

Q:

=+The TV spot should be for an unusual flavor of Jones soda like the following: a. Turkey & gravy b. Broccoli and cheese c. String bean casserole d. Pumpkin pie

Q:

=+Think about the kinds of talent you will be casting, so you have their voices and images in your mind.