Explanation Given information: It is given that ∑ = { x , y } . So, the symbols allowed are only x and y . Concept used: Palindrome: It refers to a string which reads the same whether in forward direction or in backward direction. Calculation: Palindrome: It refers to a string which reads the same whether in forward direction or in backward direction. It is given that ∑ = { x , y } . So, the symbols allowed are only x and y . The length of the string is given to be ≤ 4 . The minimum length is not given. So, assume the minimum length of the string to be 0 . A string with length = 0 is ε . Since, its length is 0 , so, it doesn’t have a sense of forward or Backward direction. So, ε is palindrome To determine (b) List the elements of L 2 .

5th Edition

ISBN: 9781337694193

Author: EPP, Susanna S.

Publisher: Cengage Learning,

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Chapter 12.1, Problem 1ES

To determine

(a)

List the elements of L1 between braces.

To determine

(b)

List the elements of L2.

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Chapter 12.1, Problem 12TY

Chapter 12.1, Problem 2ES

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Chapter 12 Solutions

Discrete Mathematics With Applications

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