Which one of the following statement is FALSE?(a) Context-free languages are closed under union(b) Context-free languages are closed under concatenation(c) Context-free languages are closed under intersection(d) Context-free languages are closed under Kleene closureI had been asked this question in examination.My question comes from Finite Automata and Regular Expressions in section Compiler Introduction of Compiler

Which one of the following statement is FALSE?(a) Context-free languag

1.	Which one of the following statement is FALSE?(a) Context-free languages are closed under union(b) Context-free languages are closed under concatenation(c) Context-free languages are closed under intersection(d) Context-free languages are closed under Kleene closureI had been asked this question in examination.My question comes from Finite Automata and Regular Expressions in section Compiler Introduction of Compiler
Answer» Correct OPTION is (c) Context-free languages are closed under intersection For explanation I WOULD say: CFL is closed under KLEENE CLOSURE, concatenation, and U

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