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Question 4: Let R and S , T be grammars that generate some regular language. For every item say if the equality is correct. Prove
Question 4: Let R and S , T be grammars that generate some regular language. For every item say if the equality is correct. Prove precisely your answer.
1. R S = S R
2. ( R S ) T = RT ST
3. R S = ( R S )
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