У1 DFA₂ b a, b T e Y₂

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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The given deterministic finite automata (DFA) generate the regular expressions r1, r2, and r3,
respectively.
-xo
a, b
DFA₁
a
+x₁
b
a, b
+21
-Zo
b
DFA3
±yo
a
+22
a, b
У1
a DFA₂
b
a, b
According to the Kleene theorem, construct the DFA for r2. (r1 + r3)*
Y₂
Transcribed Image Text:The given deterministic finite automata (DFA) generate the regular expressions r1, r2, and r3, respectively. -xo a, b DFA₁ a +x₁ b a, b +21 -Zo b DFA3 ±yo a +22 a, b У1 a DFA₂ b a, b According to the Kleene theorem, construct the DFA for r2. (r1 + r3)* Y₂
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