Call a regular expression star-free if it does not contain any star operations. Then, let EQ SFREX
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Call a regular expression star-free if it does not contain any star operations. Then, let EQSF−REX = {〈R, S〉| R and S are equivalent star-free regular expressions}. Show that EQSF−REX is in coNP. Why does your argument fail for general regular expressions?
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A EQ SF RE X is in co NP because given a star free regular expression R we can guess a star f...View the full answer
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