close search
Hit Return to see all results

Eliminate useless productions fromS → a |aA| B|C,A → aB|λ,B → Aa,C → cCD,D → ddd|Cd.


Eliminate useless productions from

S → a |aAB|C,

A → aB|λ,

B → Aa,

C → cCD,

D → ddd|Cd.

Step 1

Identifying non-generating variables:

Step 2

Here, the symbol C is never terminate.

Step 3

Remove the useless product...


Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Our solutions are written by experts, many with advanced degrees, and available 24/7

See Solution
Tagged in


Computer Science

Related Computer Science Q&A

Find answers to questions asked by student like you

Show more Q&A add

Q: write a program in c++. You work for a box company, and have been asked to write a program to compar...

A: Click to see the answer


Q: Can someone offer an explanation to these few simple questions please?

A: Click to see the answer


Q: Create a new file in C++ and save it as lab12_XYZ.cpp  Consider rolling two six-sided dice. Whil...

A: Program Instructions:Declare the header files, constants, and prototypes.In main() call functions di...


Q: Give the derivation tree for ((a+b)∗c+d, using the grammar in Example 5.12. EXAMPLE 5.12 To rewrite ...

A: To solve your problem first of all we define  What is Context Free grammer  and  Derivation tree? Co...


Q: This is for pygame Ball Class: The Ball class inherits from Drawable and it will draw a circle at it...

A: The class Ball to draw a circle at its current location:Import the Drawable class and pygame module....


Q: Create a Crow's Foot ERD to include the following business rules for the ProdCo company:a. Each sa...

A: We will draw the diagram one part by part. So first we willd ra diagram for very first two points.a)...


Q: Prove that the following languages are not regular: (b) L = {anblak : k ≠ n + l}. (c) L = {anblak : ...

A: In the given question, multiple parts are there and we will solve only first three parts as no parti...


Q: This is for pygame Text Class The Text class inherits from Drawable and it will be used to display t...

A: Instructions for the Text class:Import the Drawable class and pygame module.Create a class Text and ...


Q: EXAMPLE:Suppose we have the following weighted intervals. start   finish   weight  11       14      ...

A: First, sort the given intervals by finish time.Next, the p-value for each record is calculated by fi...

Sorry about that. What wasn’t helpful?