Question: n all - NFA M is a 5 - tuple ( Q , Sigma , delta , q 0 , F ) that

n all -NFA M is a 5-tuple (Q,\Sigma ,\delta , q0, F ) that accepts x in \Sigma if every
possible state that M could be in after reading literal x is a state from F . Note, in contrast,
that an ordinary NFA accepts a string if some state among these possible states is an accept
state. Prove that all-NFAs recognize the class of regular languages

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