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seen Sep 23 '13 at 23:06

Dec
4
awarded  Scholar
Dec
4
accepted Kleene closure over a formal language
Dec
4
comment Kleene closure over a formal language
Thanks! I had been considering when L is the null set, but I wasn't sure whether the null set was a valid language.
Dec
4
awarded  Student
Dec
4
awarded  Editor
Dec
4
revised Kleene closure over a formal language
deleted 12 characters in body
Dec
4
comment Kleene closure over a formal language
Yes, it stands for the complement. I will edit the post to use a more familiar notation.
Dec
4
asked Kleene closure over a formal language