#32 You are given a CFG as follows. S → XaaX X → aX | bX | A

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Question

#32 You are given a CFG as follows.

S → XaaX

X → aX | bX | A

Please help me answer the following and if you could provide details, that would be great.

c) if we want to remove the null production from the CFG, in order not to change the language, what are the new rules we need to add for non-terminal symbol X?

d) Convert the CFG to its CNF.

e) Based on the CNF, construct a PDA that accepts the same language.

Answer