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P2.5.N (10): Let X, Y, Z be any three languages. Using the definition of language concatenation, write quantified expressions for the membership predicates of the

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P2.5.N (10): Let X, Y, Z be any three languages. Using the definition of language concatenation, write quantified expressions for the membership predicates of the languages (XUY)Z and XZUY2Z Are the two languages equal? Give a quantifier proof, or a counterexample Do the same for the languages (X\Y)Z and Xz\YZ

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