Question: 1 6 . Let L be a CFL . Let R be a regular language contained in L . Let L - R represent the

16. Let L be a CFL. Let R be a regular language contained in L. Let L-R represent the lan-
guage of all words of L that are not words of R. Prove that L-R is a CFL.
1 6 . Let L be a CFL . Let R be a regular

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