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Prove or disprove the following statement: If L_1 and L_2 are nonregular languages, then L_1 U L_2 is also nonregular. A counter example is sufficient
Prove or disprove the following statement: If L_1 and L_2 are nonregular languages, then L_1 U L_2 is also nonregular. A counter example is sufficient to disprove the statement. Find a regular grammar that generates the language L(aa*(ab + a)*). Verify your solution by deriving the string: aaaababa
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