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(10) The regular languages are closed under intersection with the context-free languages. True False

(10) The regular languages are closed under intersection with the context-free languages. True False

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
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**Question 10** The regular languages are closed under intersection with the context-free languages. - ○ True - ○ False This multiple-choice question asks whether the set of regular languages is closed under intersection with the set of context-free languages. "Closure under intersection" means that the intersection of any regular language and a context-free language will also be a regular language. The options available are "True" and "False," wherein the reader needs to determine the correct statement based on their understanding of formal language theory.
Transcribed Image Text:**Question 10** The regular languages are closed under intersection with the context-free languages. - ○ True - ○ False This multiple-choice question asks whether the set of regular languages is closed under intersection with the set of context-free languages. "Closure under intersection" means that the intersection of any regular language and a context-free language will also be a regular language. The options available are "True" and "False," wherein the reader needs to determine the correct statement based on their understanding of formal language theory.
Expert Solution
Step 1: What are context-free languages?

In the fields of automata theory and formal language theory, context-free languages (CFLs) are a class of formal languages.

They are identified by pushdown automata, a kind of automaton, and are specified using context-free grammars.

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