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(1) S -> aS S->Sb S-> € O e, a, b, aa, ab, bb, aaa, aab, abb, bbb and L is regular O e, a, b, aa, ab, bb, aaa, aab, abb, bbb and L is not regular O a, b, aa, ab, bb, aaa, aab, abb, bbb, bbba and L is regular O a, b, aa, ab, bb, aaa, aab, abb, bbb, bbba and L is not regular

(1) S -> aS S->Sb S-> € O e, a, b, aa, ab, bb, aaa, aab, abb, bbb and L is regular O e, a, b, aa, ab, bb, aaa, aab, abb, bbb and L is not regular O a, b, aa, ab, bb, aaa, aab, abb, bbb, bbba and L is regular O a, b, aa, ab, bb, aaa, aab, abb, bbb, bbba and L is not regular

Database System Concepts
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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Let >= [a, b]. For the language L defined by each of the following grammars, list the first ten elements of L in lexicographic order (shortest first, then alphabetically if same length), and then indicate whether or not L is regular.
Transcribed Image Text:Let >= [a, b]. For the language L defined by each of the following grammars, list the first ten elements of L in lexicographic order (shortest first, then alphabetically if same length), and then indicate whether or not L is regular.
(1) S -> aS S -> Sb S-> € O e, a, b, aa, ab, bb, aaa, aab, abb, bbb and L is regular O €, a, b, aa, ab, bb, aaa, aab, abb, bbb and L is not regular O a, b, aa, ab, bb, aaa, aab, abb, bbb, bbba and L is regular O a, b, aa, ab, bb, aaa, aab, abb, bbb, bbba and L is not regular
Transcribed Image Text:(1) S -> aS S -> Sb S-> € O e, a, b, aa, ab, bb, aaa, aab, abb, bbb and L is regular O €, a, b, aa, ab, bb, aaa, aab, abb, bbb and L is not regular O a, b, aa, ab, bb, aaa, aab, abb, bbb, bbba and L is regular O a, b, aa, ab, bb, aaa, aab, abb, bbb, bbba and L is not regular
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