0 votes 0 votes Suppose we know that $L_1 ∪ L_2$ is regular and that $L_1$ is finite. Can we conclude from this that $L_2$ is regular? Theory of Computation peter-linz peter-linz-edition4 theory-of-computation regular-language closure-property + – Naveen Kumar 3 asked Apr 4, 2019 Naveen Kumar 3 188 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.