Given R=(aa+b* + b+a*)* and S=(a*ba*b + ab*a)* a) Give an example of a string of length five that is neither in the language of R nor in S. b) Give an example of a string of length five that is in the language of S but not R. c) Give an example of a string of length five that is in the language of R but not S. d) Give an example of a string of length five that is in the language of Rand S.

Given R=(aa+b* + b+a) and S=(abab + aba) a) Give an example of a string of length five that is neither in the language of R nor in S. b) Give an example of a string of length five that is in the language of S but not R. c) Give an example of a string of length five that is in the language of R but not S. d) Give an example of a string of length five that is in the language of Rand S.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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