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Can the language for the set of even strings be represented by

L={ε,aa,ab,ba,bb.....} 

Isnt Epsilon Odd?

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  • $\begingroup$ $\varepsilon$ represents the empty string so it has length $0$ which is even. $\endgroup$ – John Douma Nov 23 '15 at 6:50
  • $\begingroup$ @JohnDouma Okay.Got it now,can you add that as an answer please. $\endgroup$ – techno Nov 23 '15 at 6:54
  • $\begingroup$ I appreciate that. Thank you. $\endgroup$ – John Douma Nov 23 '15 at 6:56

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