Question: 1. Write the BNF to define the syntax for the language. How many sentences does the language contain? { a, aa, aaa, ...} U {

1. Write the BNF to define the syntax for the language. How many sentences does the language contain?

{ a, aa, aaa, ...} U { b, bb, bbb, ...} U { c, cc, ccc, ...}

please explain.

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