Exercise 2 Give an EBNF grammar for each of the languages of Exercise 1. Use the EBNF extensions wherever possible to simplify the grammars. In particular, you should eliminate explicit recursion from the grammars wherever possible. Don't forget to put single quotes around any EBNF metasymbol when using it as a token.

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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exercise 1 is questions j, k and l

j. The set of all strings consisting of an open bracket (the symbol [) followed
by a list of one or more digits separated by commas, followed by a closing
bracket (the symbol ]). use only,
k. The set of all strings consisting of zero or more as, with a comma between
each a and the next. (There should be no comma before the first or after the
last.)
f zero 01-28
1. The set of all strings consisting of an open bracket (the symbol [) followed
by a list of zero or more digits separated by commas, followed by a closing
bracket (the symbol ]).
Transcribed Image Text:j. The set of all strings consisting of an open bracket (the symbol [) followed by a list of one or more digits separated by commas, followed by a closing bracket (the symbol ]). use only, k. The set of all strings consisting of zero or more as, with a comma between each a and the next. (There should be no comma before the first or after the last.) f zero 01-28 1. The set of all strings consisting of an open bracket (the symbol [) followed by a list of zero or more digits separated by commas, followed by a closing bracket (the symbol ]).
Exercise 2 Give an EBNF grammar for each of the languages of Exercise 1. Use
the EBNF extensions wherever possible to simplify the grammars. In particular,
you should eliminate explicit recursion from the grammars wherever possible.
Don't forget to put single quotes around any EBNF metasymbol when using it as a
token.
Transcribed Image Text:Exercise 2 Give an EBNF grammar for each of the languages of Exercise 1. Use the EBNF extensions wherever possible to simplify the grammars. In particular, you should eliminate explicit recursion from the grammars wherever possible. Don't forget to put single quotes around any EBNF metasymbol when using it as a token.
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