Question: Use the pumping lemma for CFLs 4. (a) Prove that the language L1 = {dVid l i,12 0} is context- free. (b) Prove that the

Use the pumping lemma for CFLs

Use the pumping lemma for CFLs 4. (a) Prove that the language

4. (a) Prove that the language L1 = {dVid l i,12 0} is context- free. (b) Prove that the language L2a c | i, j 0 is context- free. (c) Prove that L1 n L2 is not context-free

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