DHARM222 MATHEMATICAL FOUNDATION OF COMPUTER SCIENCE
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ÎbN΢²ÎStep 4. Do the concatenation construction with the previous automaton N∈′′′ to the
newly constructed automaton N∈′′′′ (for regular expression r 4 = (a + b)*) so we obtain the final
NFA with ∈ moves N∈.
Since N∈′′′ will be,
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Now automata N∈′′′ will concatenate with N∈′′′′ that resulted N∈ which is shown in Fig. 9.6.ÎÎabÎÎ
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ÎÎÎÎÎÎÎÎ aabÎ Î Î b Î ÎÎ Nβ¢Fig. 9.6 N∈.