1. Find context-free grammars for the following languages: (a) L = a"b", n is even. (b) La"b", n is odd. (c) L = a"b", n is a multiple of three. (d) L = a"b", n is not a multiple of three.

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
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1. Find context-free grammars for the following languages:
(a) L = anb", n is even.
(b) Lab", n is odd.
(c) L anb", n is a multiple of three.
=
(d) L = a¹b", n is not a multiple of three.
Transcribed Image Text:1. Find context-free grammars for the following languages: (a) L = anb", n is even. (b) Lab", n is odd. (c) L anb", n is a multiple of three. = (d) L = a¹b", n is not a multiple of three.
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