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A. Give a grammar for {vv^R | v in Sig+}. (Note: Sig+ = Sig*{lam}, i.e. the set of non-empty strings over Sig.) Also: How does
A. Give a grammar for {vv^R | v in Sig+}. (Note: Sig+ = Sig*\{lam}, i.e. the set of non-empty strings over Sig.) Also: How does this relate to the language in B below B A palindrome over Sig is a word u in Sig* s.t. u^R = u. Let Pal(Sig) be the set of palindromes over Sig.
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