1 votes 1 votes What is identity for regular expressions ? Theory of Computation regular-expression + – Angkit asked Feb 10, 2018 Angkit 400 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes That depends on the operation- 1. For concatenation, its epsilon(ͼ). eg- aab.ͼ =aab 2.For union, its phi (ϕ). eg- aab+ϕ =aab Mamta Satywali answered Feb 10, 2018 Mamta Satywali comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Identity for concatenation(.) is epsilon, and for union(+) is Phi. Lakshay Kakkar answered Feb 10, 2018 Lakshay Kakkar comment Share Follow See all 0 reply Please log in or register to add a comment.
