GATE CS 1989 Q3 | Closure Properties of CFLs & Regular - With PROOF | Theory of Computation | Deepak

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GATE CS 1989 Q3 | Closure Properties of CFLs & Regular - With Proof |TOC | GoClasses | Deepak Poonia
Context-free languages and regular languages are both closed under the operation (s) of :
Union
Intersection
Concatenation
Complementation

Closure Properties of CFL’s :
CFL’s are closed under union, concatenation, and Kleene closure. Also, under reversal, homomorphisms and inverse homomorphisms. But not under intersection or difference.

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