Let = {1, 2, 3, 4} and C = {w * | in w,

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Let Σ = {1, 2, 3, 4} and C = {w ∈ Σ^*| in w, the number of 1s equals the number of 2s, and the number of 3s equals the number of 4s}. Show that C is not context free.

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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 04:22 AM

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Let = {1, 2, 3, 4} and C = {w * | in w,

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proof by pumping lemma for context ...View the full answer

Introduction to the theory of computation

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