Let regular language L1 recognized by DFA (Q1,Σ,δ1,s1,F1) and regular language L2 recognized by DFA (Q2,Σ,δ2,s2,F2). We will construct a product DFA as the quintuple (Q,Σ,δ,s,F) where: •Q=Q1×Q2 •For allx∈Σ and (q1,q2)∈Q1×Q2,δ((q1,q2),x) = (δ1(q1,x),δ2(q2,x)) •s= (s1,s2) DetermineFso that the product DFA recognizes: (i)L1∪L2 (ii)L1∩L2 (iii)L1\L2 Based on your choice for F, for each case, provide a detailed proof why the product DFA recognizes each of the mentioned languages
Let regular language L1 recognized by DFA (Q1,Σ,δ1,s1,F1) and regular language L2 recognized by DFA (Q2,Σ,δ2,s2,F2). We will construct a product DFA as the quintuple (Q,Σ,δ,s,F) where: •Q=Q1×Q2 •For allx∈Σ and (q1,q2)∈Q1×Q2,δ((q1,q2),x) = (δ1(q1,x),δ2(q2,x)) •s= (s1,s2) DetermineFso that the product DFA recognizes: (i)L1∪L2 (ii)L1∩L2 (iii)L1\L2 Based on your choice for F, for each case, provide a detailed proof why the product DFA recognizes each of the mentioned languages
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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Let regular language L1 recognized by DFA (Q1,Σ,δ1,s1,F1) and regular language L2 recognized by DFA (Q2,Σ,δ2,s2,F2). We will construct a product DFA as the quintuple (Q,Σ,δ,s,F) where: •Q=Q1×Q2
•For allx∈Σ and (q1,q2)∈Q1×Q2,δ((q1,q2),x) = (δ1(q1,x),δ2(q2,x))
•s= (s1,s2)
DetermineFso that the product DFA recognizes:
(i)L1∪L2
(ii)L1∩L2
(iii)L1\L2
Based on your choice for F, for each case, provide a detailed proof why the product DFA recognizes each of the mentioned languages. Conclude that in-tersection of two regular languages is a regular language and set-theoretic dif-ference of two regular languages is regular.
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