UGC-NET | UGC NET CS 2016 July – III | Question 22

The symmetric difference of two sets S1 and S2 is defined as
S1 ⊖ S2 = {x|x ∈ S1 or x ∈ S2, but x is not in both S1 and S2}
The nor of two languages is defined as
nor (L1, L2) = {w|w |∈L1 and w |∈ L1}.
Which of the following is correct?
(A) The family of regular languages is closed under symmetric difference but not closed under nor.
(B) The family of regular languages is closed under nor but not closed under symmetric difference.
(C) The family of regular languages are closed under both symmetric difference and nor.
(D) The family of regular languages are not closed under both symmetric difference and nor.


Answer: (C)

Explanation:

Quiz of this Question
Please comment below if you find anything wrong in the above post

My Personal Notes arrow_drop_up
Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.