Question: 5. Problems 2.30a,d from the text: 2.30 Use the pumping lemma to show that the following languages are not context free. d. {ti #t2# .

5. Problems 2.30a,d from the text: 2.30 Use the pumping lemma

5. Problems 2.30a,d from the text: 2.30 Use the pumping lemma to show that the following languages are not context free. d. {ti #t2# . . . #tel k > 2, each ti E {a, b}* , and ti-tj for some i j}

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