Question: Pumping Lemma for Context - Free Languages Let = { , } and = { in forallnonempty in , thestring doesnotoccurin } . The language

Pumping Lemma for Context-Free Languages
Let ={,} and
={ in forallnonempty in ,thestringdoesnotoccurin}.
The language is infinite. Using this fact and the pumping lemma for context- free languages, prove that is not context-free.

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