0 votes 0 votes Define the operation $leftside$ on $L$ by $leftside(L)=$ {$w:ww^R∈L$} Is the family of regular languages closed under this operation? Theory of Computation peter-linz peter-linz-edition4 theory-of-computation regular-language closure-property + – Naveen Kumar 3 asked Apr 5, 2019 Naveen Kumar 3 218 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.