Find an nfa with four states for L= {a": n > 0}U{b"a: n > 1}.
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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Transcribed Image Text:Find an nfa with four states for L= {a": n > 0}U{b"a: n > 1}.
Expert Solution

Step 1
NFA
- NFA refers to non-deterministic finite automata.
- It is quite easy to construct an NFA than DFA for a given regular language.
- The finite automata are referred to as NFA when there exist various paths for specific input from the current state to the next state.
- It is not necessary that every NFA is DFA, but each NFA can be translated into DFA.
- NFA is specified in the same way as DFA but with the following two exceptions:
- It contains multiple next states along with ε transition.
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