0 0 votes Is REC closed under Kleene closure and positive closure? Theory of Computation + – Naveen K Verma 395 views answer comment Share Follow Print See 1 comment 1 1 comment reply hs_yadav commented Jan 17, 2018 reply Follow flag yes bro... Recursive language and Context senstive language is closed under keen closure and many other ... :) these two r not closed only under homomorphism operation and some other operation(not important)... 1 1 replyShare Please log in or register to add a comment.