Question: Is this a context free grammar: L = { xay | x , y in { a , b } , x is a prefix

Is this a context free grammar: L ={xay | x, y in {a, b}, x is a prefix of 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 Programming Questions!

Q:

AFTER-TAX SALVAGE VALUE Kennedy Air Services is now in the final year of a project. The equipment originally cost $20 million, of which 80% has been depreciated. Kennedy can sell the used equipment...

Q:

Compiler Construction Describe what is meant by a phrase structured grammar and a context free grammar . [3 marks] Describe an algorithm to calculate the set LT (P) of all terminal symbols that can...

Q:

Compiler Construction Describe what is meant by a phrase structured grammar and a context free grammar .Describe an algorithm to calculate the set LT (P) of all terminal symbols that can start a...

Q:

Draw a PDA (pushdown automata) using JFLAP for the language and provide a CFG (Context Free Grammar). L = {w | w is of the form 0 M 1 N 0 M+N }

Q:

A8.. Consider the following context free grammar (CFG): SaSc | X XbXc1 Find the RIGHTMOST DERIVATION and DRAW its corresponding PARSE TREE for the following input string aabbbccccc [3+2-5 M)

Q:

Which solution is adopted by Ethernet and what measures are taken to ensure stability in circumstances of high load? [4 marks] 1 [TURN OVER CST.93.5.2 4 Graphics I A certain image contains a number Q...

Q:

(a) Do left factoring of the following grammar by showing all the necessary steps - S a | ab | abc | abcd A a | [3] (b) Compiler operates in various phases each phase transforms the source program...

Q:

(1) Compiler operates in various phases each phase transforms the source program from one representation to another. Every phase takes inputs from its previous stage and feeds its output to the next...

Q:

1. Give a context-free grammar for the set BAL of balanced strings of delimiters of three types (), and . For example, (OOis in BAL but [) is not. Give a nondeterministic pushdown automata that...

Q:

Given a string w, a string u is a prefix of w if and only if v, w = uv. Therefore, un is a prefix of the word unhappy. Given a language L, Lpre = {u | w L, and u is a prefix of w}. Show that if L is...

Q:

Given a string w, a string u is a prefix of w if and only if v, w = uv. Therefore, un is a prefix of the word unhappy. Given a language L, Lpre = {u | w L, and u is a prefix of w}. Show that if L is...

Q:

Using the information below, calculate the genotype frequencies for all possible genotypes. Then, calculate the expected number of individuals for each genotype, assuming the marker is in HWE, if the...

Q:

Binding energies are often measured experimentally in kcal per mole, and then the binding energy in eV per molecule is calculated from that result. What is the conversion factor in going from kcal...

Q:

In the context of small businesses, refers to funds obtained from lenders that are to be repaid at a predetermined interest rate over a specific period. profit capital working capital debt financing...

Q:

The correct MRP table for item F should be