Problem 1 Let L be the language over the alphabet Σ = {a, b, c, g} that consists of exactly those strings over Σ that satisfy all of the following conditions. (a) the string is a concatenation of zero or more component substrings; (b) the length of each component substring is equal to 3; (c) the three letters in a component substring are different from each other; (d) within a component substring, the three letters are ordered alphabetically (smallest to the left). If L is regular, then use part (a) of the answer space below to draw a state-transition graph of a finite automaton that accepts L, and do not write anything in part (b). If L is not regular, then do not write anything in part (a) of the answer space, but complete the missing parts of the text given in part (b) so as to obtain a proof that L is not regular. (a) finite automaton for L:

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
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Problem 1 Let L be the language over the alphabet Σ = {a, b, c, g} that consists of exactly those strings
over that satisfy all of the following conditions.
(a) the string is a concatenation of zero or more component substrings;
(b) the length of each component substring is equal to 3;
(c) the three letters in a component substring are different from each other;
(d) within a component substring, the three letters are ordered alphabetically (smallest to the left).
If L is regular, then use part (a) of the answer space below to draw a state-transition graph of a finite automaton
that accepts L, and do not write anything in part (b).
If L is not regular, then do not write anything in part (a) of the answer space, but complete the missing parts
of the text given in part (b) so as to obtain a proof that L is not regular.
(a) finite automaton for L:
Transcribed Image Text:Problem 1 Let L be the language over the alphabet Σ = {a, b, c, g} that consists of exactly those strings over that satisfy all of the following conditions. (a) the string is a concatenation of zero or more component substrings; (b) the length of each component substring is equal to 3; (c) the three letters in a component substring are different from each other; (d) within a component substring, the three letters are ordered alphabetically (smallest to the left). If L is regular, then use part (a) of the answer space below to draw a state-transition graph of a finite automaton that accepts L, and do not write anything in part (b). If L is not regular, then do not write anything in part (a) of the answer space, but complete the missing parts of the text given in part (b) so as to obtain a proof that L is not regular. (a) finite automaton for L:
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