7. Construct a grammar for the following languages. a) { a*b"| n > 0} U {cmdm |m > 0 } b) { a"b"| n > 0} U {a™b™ | m > 0 } c) { a*b°c*, where x = y + z} U { L=a*b°c*, where z = x + y}

7. Construct a grammar for the following languages. a) { ab"| n > 0} U {cmdm |m > 0 } b) { a"b"| n > 0} U {a™b™ | m > 0 } c) { ab°c, where x = y + z} U { L=ab°c*, where z = x + y}

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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Question

Constuct grammar for following languages

7. Construct a grammar for the following languages.
a) { a*b"| n > 0} u {cmd"|m> 0 }
b) { a"b"| n > 0} U {a"b™ | m 2 0 }
c) { a*b'c*, where x = y + z} U {L=a*b°c°, where z = x + y}
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