Practice General Process for Converting a CFG to Chomsky Normal Form - 5.4.1 | Module 5: Context-Free Grammars (CFG) and Languages | Theory of Computation
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5.4.1 - General Process for Converting a CFG to Chomsky Normal Form

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an epsilon-production?

πŸ’‘ Hint: Look for the notation A -> Ξ΅.

Question 2

Easy

Define a unit production.

πŸ’‘ Hint: Both A and B are non-terminals.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does an epsilon-production derive?

  • True
  • False

πŸ’‘ Hint: Think about what it means to derive nothing!

Question 2

Which form is NOT valid in CNF?

  • A -> a
  • A -> B
  • A -> BC

πŸ’‘ Hint: Remember what types are defined in CNF!

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a CFG: S -> aAB | bBA, A -> Ξ΅ | a, B -> b, remove Ξ΅-productions and convert to CNF.

πŸ’‘ Hint: Make sure you nest the productions correctly!

Question 2

Transform the grammar with the following rules to CNF: S -> AB | a | B, A -> aA | a, B -> bB | b.

πŸ’‘ Hint: Identify paths of derivation flush to CNF!

Challenge and get performance evaluation