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Is any CFL intersection,union of CFLs that are not inherently ambiguous?

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Could you explain what you mean by "inherently ambiguous"? –  Joel David Hamkins Mar 8 '13 at 2:45
@David,inherently ambiguouse means there is no unambiguous grammar that generates the language,you know some grammars may generate a word in several different ways. –  XL _at_China Mar 8 '13 at 2:52
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