Q584. Which of the following statement is not true?
- a) The union and concatenation of two context-free languages is context-free
- b) The reverse of a context-free language is context-free, but the complement need not be
- c) Every regular language is context-free because it can be described by a regular grammar
- d) The intersection two context-free languages is context-free
✅ Correct Answer: D) The intersection two context-free languages is context-free
Explanation: The union and concatenation of two context-free languages are context-free; but intersection need not be. Neural Networks – 1