Question: 12. Prove that {e}* = {e}. 13. Prove that for any alphabet and any L *, we have (L*)* = L*. 12. Prove that {e}={e}.

12. Prove that {e}* = {e}.

13. Prove that for any alphabet and any L *, we have (L*)* = L*.12. Prove that {e}* = {e}. 13. Prove that for any alphabet

12. Prove that {e}={e}. 13. Prove that for any alphabet and any L, we have (L)=L

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