Question: Write a syntax grammar for the language consisting of strings that have n copies the letter a followed by 2n copies of the letter b,

Write a syntax grammar for the language consisting of strings that have n copies the letter a followed by 2n copies of the letter b, and ends with n copies of letter c. i.e.

L = {anbn+mcm | n, m > 0}

For example, abc, abbc, aabbcc, aabbbc, abbbcc, , are in the language; however, a, b, c, bc, ac, ab, bac, cab, abbcc, , are not in the language.

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