Assumptions ...   Alphabet = {a, b}   • L1 = { a"b" : n ≥ 0 ^ n mod 3 = 0}   L2 = {anbm : n ≥ 0 ^ m ≥ 0 ^ n = m −1}   To do in this exercise ...   ⚫ Find a context-free grammar G such that L(G) = L1 L2, the concatenation of languages L1 and L2.

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
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Assumptions ...

 

Alphabet = {a, b}

 

• L1 = { a"b" : n ≥ 0 ^ n mod 3 = 0}

 

L2 = {anbm : n ≥ 0 ^ m ≥ 0 ^ n = m −1}

 

To do in this exercise ...

 

⚫ Find a context-free grammar G such that L(G) = L1 L2, the concatenation of languages L1 and L2.

 

⚫ Save your context-free grammar as a JFLAP.jff file, and submit that .jff file to Canvas as your solution to th is exercise.

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