Q. Let A = {wtw* | w.t are strings over the alphabet {0,1,2} and |w|=|4|}. Prove that A is not a context-free language. Use pumping lemma. Note, that without requirement |w=|t| this language would be context- free, so the counterexample string must be chosen carefully.

Computer Networking: A Top-Down Approach (7th Edition)
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Q. Let A = {wtw" | w.t are strings over the alphabet {0,1,2} and |w=|1}.
Prove that A is not a context-free language.
Use pumping lemma.
Note, that without requirement |w|=|t| this language would be context-
free, so the counterexample string must be chosen carefully.
Transcribed Image Text:Q. Let A = {wtw" | w.t are strings over the alphabet {0,1,2} and |w=|1}. Prove that A is not a context-free language. Use pumping lemma. Note, that without requirement |w|=|t| this language would be context- free, so the counterexample string must be chosen carefully.
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