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Questions about finite automata, an elementary automaton model with finite memory. It is equivalent to regular languages and the basis for many more complex models.

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Understanding lemma found in proof of quotient construction for DFAs

Lemma 13.6    $p \in F \Longleftrightarrow [p] \in F'$ Proof. The direction $\Rightarrow$ is immediate from the definition of $F'$. For the direction $\Leftarrow$, we need to show that if $p \approx …
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