Question: a ) Find a context - free grammar for the following language L = { anbm , n 0 , m 0 , n m

a) Find a context-free grammar for the following language L ={anbm, n 0, m
0, n m +3}.
Answer:
b) Convert the following grammar into the Greibach normal form.
S Abb | a | b
A aaA | B
B bAb
Answer:
c) Convert a pushdown machine that accepts the language L ={anbm : n 0, m
0, n m}.
Answer:

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