Practice - Properties of Regular Languages - Closure Properties
Practice Questions
Test your understanding with targeted questions
What is the union of two regular languages L1 = {0} and L2 = {1}?
💡 Hint: Think of all possible strings from each language.
If L = {a}, what is L*?
💡 Hint: Consider how many times you can take 'a' including none at all.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following properties indicates that the result remains within the class of regular languages?
💡 Hint: Think about what defines consistent characteristics in language classes.
The intersection of two regular languages is regular. True or False?
💡 Hint: Recall what we learned about combining regular languages.
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Challenge Problems
Push your limits with advanced challenges
Design a DFA that recognizes the intersection of languages L1 = {0, 1} that contain an even number of 0s and L2 = {0, 1} that contain an even number of 1s.
💡 Hint: Remember to track two properties at once!
Identify a non-regular language and use the pumping lemma to prove it's non-regular.
💡 Hint: Ensure you illustrate how the structure of your chosen string violates the lemma.
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Reference links
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