Let FA, accept the language defined by the regular expression r1, and FA2 accept the language defined by the regular expression r2. X2 (X4 (Y1-) a (XG+ Y3 a (X1) a (Y2- (YG+ (X3 (X5) FA2 FAI a) Describe FAi in English phrases b) Describe FA2 in English phrases c) Use Kleen's theorem steps for finding FA3 that accepts the language defined by the regular expression (r1. r2).

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 FA, accept the language defined by the regular expression rı, and FA2 accept
the language defined by the regular expression r2.
X2
(X4
(Y5)
(Y1-a
Y3
a
(X1)
a
(Y2-
(X3
(X5
FA2
FAI
a) Describe FAi in English phrases
b) Describe FA2 in English phrases
c) Use Kleen's theorem steps for finding FA3 that accepts the language defined
by the regular expression (r1, r2).
Transcribed Image Text:Let FA, accept the language defined by the regular expression rı, and FA2 accept the language defined by the regular expression r2. X2 (X4 (Y5) (Y1-a Y3 a (X1) a (Y2- (X3 (X5 FA2 FAI a) Describe FAi in English phrases b) Describe FA2 in English phrases c) Use Kleen's theorem steps for finding FA3 that accepts the language defined by the regular expression (r1, r2).
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