8) Find CFGs that for these regular languages over the alphabet Σ = {a, b}. Draw a Finite Automata first and use this to create the CFG. (a) The language of all words that consist only of double letters (aa or bb). (b) The set of all words that begin with the letter b and contains an odd number of a's or begin with the letter a and contains an even number of b's.

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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8) Find CFGs that for these regular languages over the alphabet Σ = (a, b). Draw a Finite Automata
first and use this to create the CFG.
(a) The language of all words that consist only of double letters (aa or bb).
(b) The set of all words that begin with the letter b and contains an odd number of a's or begin
with the letter a and contains an even number of b's.
Transcribed Image Text:8) Find CFGs that for these regular languages over the alphabet Σ = (a, b). Draw a Finite Automata first and use this to create the CFG. (a) The language of all words that consist only of double letters (aa or bb). (b) The set of all words that begin with the letter b and contains an odd number of a's or begin with the letter a and contains an even number of b's.
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