0 votes 0 votes Is it viable possibility that L and L complement can both be CFL but not Regular? Theory of Computation theory-of-computation context-free-language self-doubt + – Nefarious Monkey asked Dec 15, 2017 Nefarious Monkey 631 views answer comment Share Follow See all 9 Comments See all 9 9 Comments reply Show 6 previous comments Nefarious Monkey commented Dec 16, 2017 reply Follow Share But how can you say for sure that the DCFL you considered was not Regular to begin with? 0 votes 0 votes Manu Thakur commented Dec 16, 2017 reply Follow Share @Nefarious at least be clear on your statement! what do you want to say?? 0 votes 0 votes Nefarious Monkey commented Dec 18, 2017 reply Follow Share you need to prove regarding a CFL which is not regular, so the DCFL you consider must not be regular, which is not included in your argument 0 votes 0 votes Please log in or register to add a comment.