Let B be any language over the alphabet . Prove that B = B + iff BB

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Let B be any language over the alphabet Σ. Prove that B = B⁺ iff BB ⊆ B.

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Introduction to the theory of computation

ISBN: 978-0470530658

3rd edition

Authors: Michael Sipser

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Question Posted: Sep 02, 2020 04:09 AM

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Let B be any language over the alphabet . Prove that B = B + iff BB

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Let B be any language over the alphabet The requirement is to prove both the directions ...View the full answer

Introduction to the theory of computation

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