3. If A is any language, let Half(A) be the set of all first halves of...
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3. If A is any language, let Half(A) be the set of all first halves of strings in A. So x is in Half(A) if there is some string y of the same length as x such that the string xy is in A. Prove that if A is regular, then Half (A) is also regular. 3. If A is any language, let Half(A) be the set of all first halves of strings in A. So x is in Half(A) if there is some string y of the same length as x such that the string xy is in A. Prove that if A is regular, then Half (A) is also regular.
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To prove that if language A is regular then HalfA is also regular we can use the closure properties ... View the full answer
Related Book For
Introduction to Algorithms
ISBN: 978-0262033848
3rd edition
Authors: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest
Posted Date:
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