Some papers (especially about Nested Words languages) ofter contain term "language of words". What is the difference between "language" and "language of words"?
What is "language of words" means?
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$\begingroup$
computer-science
terminology
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0I don't think there is a difference; the author probably wants to insist on the fact that the language is made up of words. – 2011-05-28
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0@zulon: I have same suspicion. But: AFAIK they all made up of words -- what is the point? I do not understand. To make things worse, that wording repeats very often, not just once, and without any comments. – 2011-05-28
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0This would be answered more readily at http://cstheory.stackexchange.com. I think it should be migrated. – 2011-05-28
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1@TheBigO: They will say "This is not _reseach level_ question". – 2011-05-28
1 Answers
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They might be trying to avoid confusion with $\omega$-languages - languages whose elements are infinite sequences of letters ("infinite words"). Such languages have a rich and beautiful theory of their own. I can't think of other possible meanings.
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0Oh! Thanks for the pointer; as I already said there are plenty of opportunities to miss entire research areas for every autodidact! – 2011-05-28