Question 22 (15). If L₁ is reducible to L2 and L₂ ED then L₁ E D O True O False

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
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**Question 22**

(15). If \( L_1 \) is reducible to \( L_2 \) and \( L_2 \in D \) then \( L_1 \in D \)

- ○ True
- ○ False

This question involves the concept of reducibility between languages and set membership concerning \( D \), likely representing a certain class of languages or problems. Choose "True" if you agree with the statement, or "False" if you disagree.
Transcribed Image Text:**Question 22** (15). If \( L_1 \) is reducible to \( L_2 \) and \( L_2 \in D \) then \( L_1 \in D \) - ○ True - ○ False This question involves the concept of reducibility between languages and set membership concerning \( D \), likely representing a certain class of languages or problems. Choose "True" if you agree with the statement, or "False" if you disagree.
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