(III) Assume the alphabet Σ = {a,b). Give the set all strings over Σ of length less than or equal to 2 including the null string. For each of the following languages, which of the above strings are in the language defined by the following regular expressions. (Show your work clearly). (i) ≤ ≤ a*b* a(ba)*b a* + b* (aaa)* (a+b)*a(a+b)*b(a+b)*a(a+b)* aba + bab (vii) (2 + a)b
(III) Assume the alphabet Σ = {a,b). Give the set all strings over Σ of length less than or equal to 2 including the null string. For each of the following languages, which of the above strings are in the language defined by the following regular expressions. (Show your work clearly). (i) ≤ ≤ a*b* a(ba)*b a* + b* (aaa)* (a+b)*a(a+b)*b(a+b)*a(a+b)* aba + bab (vii) (2 + a)b
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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