Question

Write a grammar in Chomsky Normal Form whose language is {w € {a,b}* | w = a ba?bk, j, k >0}. Make sure your grammar is desig

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Answer #1

Context Free Grammar

S -> XB
X -> aXa | b
B -> bB | epsilon

Explanation

Y is to have {bk | k >= 0}
X is for {ajbaj | j>=0}

Chomsky Normal Form

S -> XB | CA | b
X -> CA | b
B -> DB | b
A -> a
C -> AX
D -> b

-- Please up vote

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