Question 15 kk.Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line ReductionsExercise 3Suppose L₁, L₂ E be two languages. Suppose there exist a computablefunction f: E→→ E' such that the following holds:1. x L₁= f(x) € L₂.Show the following: If L₁, L2 are recognizable languages then L₁ is decidable.

Answer: We need to write the langue are the decidable or not so we will see in the more details with…

Reductions Exercise 31 Suppose L1, L₂ E be two languages. Suppose there exist a computable function f: E → E' such that the following holds: 1. x L₁= f(x) € L₂. Show the following: If L₁, L2 are recognizable languages then L₁ is decidable.

Reductions Exercise 31 Suppose L1, L₂ E be two languages. Suppose there exist a computable function f: E → E' such that the following holds: 1. x L₁= f(x) € L₂. Show the following: If L₁, L2 are recognizable languages then L₁ is decidable.

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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Reductions
Exercise 3
Suppose L₁, L₂ E be two languages. Suppose there exist a computable
function f: E→→ E' such that the following holds:
1. x L₁= f(x) € L₂.
Show the following: If L₁, L2 are recognizable languages then L₁ is decidable.

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