Design a CFG which recognizes the language L={ w | all the letters on the first half of w are the same, and the second half is a substring where no consecutive letters are the same} over the alphabet I=(0,1,2]. Explain your derivation rules. Note: consecutive means two letters which follow each other," no consecutive letters are the same" means you can't repeat letters, so you can't have "00", "11" or "22" on the second half.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question
Design a CFG which recognizes the language L={ w | all the letters on the first half of w are the same, and the
second half is a substring where no consecutive letters are the same} over the alphabet I=(0,1,2}. Explain
your derivation rules.
Note: consecutive means two letters which follow each other, " no consecutive letters are the same" means
you can't repeat letters, so you can't have "00", "11" or "22" on the second half.
Transcribed Image Text:Design a CFG which recognizes the language L={ w | all the letters on the first half of w are the same, and the second half is a substring where no consecutive letters are the same} over the alphabet I=(0,1,2}. Explain your derivation rules. Note: consecutive means two letters which follow each other, " no consecutive letters are the same" means you can't repeat letters, so you can't have "00", "11" or "22" on the second half.
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education