please explain step by step 12. Find context-free grammars for the following languages (with n ≥ 0, m≥ 0,k > 0):(a) b={a²tm or **}.(b) L = {abck: n = m: n = m or m‡ k}.(c) L = {a¹bmck, k=n+m}.nim(e) L = {a¹bmck, k = n +2m}.(f) L = = {a¹bmck, k‡n+m}.

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Find context-free grammars for the following languages (with n ≥ 0, m≥ 0, k > 0): (a) I-{ata (b) L= = mor {a^bmck: n = m or m‡ k}. (c) L = {abck, k = n+m}. nim k m. (e) L = {abck, k = n +2m}.

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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please explain step by step

12. Find context-free grammars for the following languages (with n ≥ 0, m≥ 0,
k > 0):
(a) b={a²t
m or **}.
(b) L = {abck: n = m
: n = m or m‡ k}.
(c) L = {a¹bmck, k=n+m}.
nim
(e) L = {a¹bmck, k = n +2m}.
(f) L = = {a¹bmck, k‡n+m}.

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