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Which one(s) of the following Context Free Grammars would be in the form of Greibach Normal Form? G=( {S,A,B}, {a,b}, S, {S BB|b, A B→a|SA}) a|b|SS, ☐ G=( {S,A,B}, {a,b}, S, {SaAlb, A⇒a|b|bABSS, B→a|SA}) ☐ G=( {S,a,b}, {0,1}, S, {S Oab|1, a b―0|0Sa}) 0|1bSS, G=( {S,a,b}, {0,1}, S, {S→0ab|1, a→0|bSS, b―0|0S})

Which one(s) of the following Context Free Grammars would be in the form of Greibach Normal Form? G=( {S,A,B}, {a,b}, S, {S BB|b, A B→a|SA}) a|b|SS, ☐ G=( {S,A,B}, {a,b}, S, {SaAlb, A⇒a|b|bABSS, B→a|SA}) ☐ G=( {S,a,b}, {0,1}, S, {S Oab|1, a b―0|0Sa}) 0|1bSS, G=( {S,a,b}, {0,1}, S, {S→0ab|1, a→0|bSS, b―0|0S})

Database System Concepts
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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Which one(s) of the following Context Free Grammars would be in the form of Greibach Normal Form? G=( {S,A,B}, {a,b}, S, {S BB|b, A B→a|SA}) a|b|SS, ☐ G=( {S,A,B}, {a,b}, S, {SaAlb, A⇒a|b|bABSS, B→a|SA}) ☐ G=( {S,a,b}, {0,1}, S, {S Oab|1, a b―0|0Sa}) 0|1bSS, G=( {S,a,b}, {0,1}, S, {S→0ab|1, a→0|bSS, b―0|0S})
Transcribed Image Text:Which one(s) of the following Context Free Grammars would be in the form of Greibach Normal Form? G=( {S,A,B}, {a,b}, S, {S BB|b, A B→a|SA}) a|b|SS, ☐ G=( {S,A,B}, {a,b}, S, {SaAlb, A⇒a|b|bABSS, B→a|SA}) ☐ G=( {S,a,b}, {0,1}, S, {S Oab|1, a b―0|0Sa}) 0|1bSS, G=( {S,a,b}, {0,1}, S, {S→0ab|1, a→0|bSS, b―0|0S})
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