6 marks · CO4 · AnalyseQuestion Bank #67 · Module 4 · Closure properties of CFLs
Answer in prose
Prove that CFLs are not closed under intersection or complementation.
Marked by handThis is a prose question — no honest automatic grader exists for it, so the tool does not pretend to have one. Write your answer as you would in the exam, then use the hints to check yourself.