Context-Free Grammars - Chomsky Normal Form - Hampden ...
Context-Free Grammars - Chomsky Normal Form - Hampden ...
Context-Free Grammars - Chomsky Normal Form - Hampden ...
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Example<strong>Context</strong>-<strong>Free</strong><strong>Grammars</strong> -<strong>Chomsky</strong><strong>Normal</strong> <strong>Form</strong>Robb T.KoetherHomeworkReview<strong>Chomsky</strong><strong>Normal</strong> <strong>Form</strong>New start symbolEliminate all ε-rulesEliminate all unitrulesEliminate all mixedrulesEliminate all longrulesDerivations inCNFExample (Eliminate all mixed rules)Add the rulesA → aB → bReplace the string ab with AB.TheMembershipProblem forCFGsAssignment
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