Sipser 131

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Unformatted text preview: 1.31) Given M is some FA that recognizes A, we can construct an FA that recognizes AR (call this MR) 1. Start with M 2. Reverse the direction of all state transistions in M 3. The accepting state of MR is the start state of M 4. Create a new start state q0, which is linked to all of M's accepting states via epsilon transitions 5. MR now recognizes AR; MR recognizes a regular language; AR is a regular language...
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