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Find a regular expression corresponding to each of the following subsets of {a,b}*. Write a regular expression for PREF((( ab + a )( ab +
Find a regular expression corresponding to each of the following subsets of {a,b}*.
Write a regular expression for PREF(((ab + a)(ab+b))*(ab)*). Use the proof by induction / constructive algorithm showing all of the steps. Simplify the regular expression as you go.
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