395 views
0 0 votes
Is REC closed under Kleene closure and positive closure?

Please log in or register to answer this question.

Position:
Show:

Related questions

0 0 votes
0 0 answers
137
137 views
sigma* asked Sep 25, 2023
137 views
What is the difference between REG lang and L$_{REG}$ in the following(1) CFL $\cap$ REG=CFL(2)L$_{CFL}$ $\cap$ L$_{REG}$ = L$_{REG}$More clearly why in one case it’s CFL...
1 1 vote
1 1 answer
1.4k
1.4k views
Na462 asked Jan 13, 2019
1,422 views
Consider the following Statements :There Exist a non-deterministic CFL whose reversal is DCFL.There exist a non regular CSL whose Kleene Closure is regular.Which of follo...
0 0 votes
0 0 answers
869
869 views
Sambhrant Maurya asked Jan 9, 2019
869 views
L1 is regular, L2 and L3 are CFLL1 is regular, L2 is CFL and L3 is CSLL1 is CFL but not regular,L2 is CSL but not CFL,L3 is CFLL1, L2 and L3 are CFL